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anonymous

  • one year ago

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  1. anonymous
    • one year ago
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  2. anonymous
    • one year ago
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    @jim_thompson5910, @dan815

  3. anonymous
    • one year ago
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    @jdoe0001 ,@emily_wilson

  4. anonymous
    • one year ago
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    @emily_wilson

  5. anonymous
    • one year ago
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    r u there

  6. anonymous
    • one year ago
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    yeah

  7. anonymous
    • one year ago
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    can u help me with my homework its algebra 1

  8. anonymous
    • one year ago
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    Okay I can try, am I supposed to do all of that?

  9. anonymous
    • one year ago
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    ill do it with u though

  10. anonymous
    • one year ago
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    @beckyg111

  11. anonymous
    • one year ago
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    what is the paper/book called?

  12. anonymous
    • one year ago
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    springboard

  13. anonymous
    • one year ago
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    the green/rainbow one?

  14. anonymous
    • one year ago
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    ya why

  15. anonymous
    • one year ago
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    I cant read all of the picture

  16. anonymous
    • one year ago
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    which one

  17. anonymous
    • one year ago
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    13

  18. anonymous
    • one year ago
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    @haleyright

  19. anonymous
    • one year ago
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    13 right?

  20. anonymous
    • one year ago
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    yeah mostly just the word problems

  21. anonymous
    • one year ago
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    the 2 cutoff words are equation and equal

  22. anonymous
    • one year ago
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    @dan815

  23. anonymous
    • one year ago
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    @jim_thompson5910

  24. haleyright
    • one year ago
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    this is hard

  25. anonymous
    • one year ago
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    i know

  26. haleyright
    • one year ago
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    srry

  27. anonymous
    • one year ago
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    @_alex_urena_

  28. haleyright
    • one year ago
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    i tried to understand but its complicated

  29. anonymous
    • one year ago
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    ok

  30. anonymous
    • one year ago
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    anybody there who can help me

  31. anonymous
    • one year ago
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    pls @dan815

  32. anonymous
    • one year ago
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    @kiamousekia

  33. anonymous
    • one year ago
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    yay @jim_thompson5910 ur here

  34. anonymous
    • one year ago
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    and @dan815

  35. jim_thompson5910
    • one year ago
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    which one are you stuck on?

  36. anonymous
    • one year ago
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    i need help on 13-15, 17, 21, 25, 26, 27:b, 28, 34, 35, 36, 37, 38, 39:a,b, 40. i know its a lot pls forgive me

  37. anonymous
    • one year ago
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    nvr mind i dont need help on 28

  38. anonymous
    • one year ago
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    @jim_thompson5910 , @dan815 r u there

  39. jim_thompson5910
    • one year ago
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    well there are a lot of similar problems, so why not do it where we help with a few and you practice on the rest?

  40. anonymous
    • one year ago
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    ok

  41. anonymous
    • one year ago
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    lets start with 13-15

  42. dan815
    • one year ago
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    okay so lets saw for a member for 1 year he just pays 35 a NON-member will pay lets say 5 dollars every time he uses the gym let n the number of uses lets see at what number of uses the member = non member 35=5*n when n=7, 5*7=35 so a non member if he uses the gym 7 times he will pay the same as a guy who payed for a whole year, if he uses the gym more than 7 times he will have to pay more than the guy with a membership, if he uses the gym less than 7 times he will have to pay less Now for your question instead of 5 dollars every time he uses, they have a different number or some random number k

  43. jim_thompson5910
    • one year ago
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    I'm stumped. It seems like there's information missing in #13. How much does it cost per visit? It doesn't say.

  44. jim_thompson5910
    • one year ago
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    is the problem cut off or something?

  45. anonymous
    • one year ago
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    no

  46. jim_thompson5910
    • one year ago
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    @dan815 where did you get those values from?

  47. anonymous
    • one year ago
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    it says that the cost of being a member of the frequent visitor program = the cost of not being a member

  48. dan815
    • one year ago
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    just made it up for an example, instead of 5 i think ninja has to use a variable there

  49. anonymous
    • one year ago
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    the variable is n

  50. anonymous
    • one year ago
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    which is the number of visits per year

  51. anonymous
    • one year ago
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    @dan815

  52. anonymous
    • one year ago
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    he left

  53. jim_thompson5910
    • one year ago
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    well I still think there's missing info, but anyway, let's say the cost per day is k dollars. The k is some unknown number if you visit n times for that year, then it costs k*n dollars

  54. anonymous
    • one year ago
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    @_

  55. jim_thompson5910
    • one year ago
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    set that equal to the 5 dollar yearly fee to get k*n = 5

  56. jim_thompson5910
    • one year ago
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    make sense?

  57. anonymous
    • one year ago
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    so thats the equation for 13, right?

  58. jim_thompson5910
    • one year ago
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    do you see how I formed it?

  59. anonymous
    • one year ago
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    yes

  60. anonymous
    • one year ago
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    what about 14 and 15

  61. jim_thompson5910
    • one year ago
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    I think they want you to solve for n

  62. jim_thompson5910
    • one year ago
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    in #14

  63. anonymous
    • one year ago
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    oh let me try

  64. anonymous
    • one year ago
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    is it 5?

  65. jim_thompson5910
    • one year ago
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    get n all by itself in the equation `k*n = 5`

  66. anonymous
    • one year ago
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    oh let me try it that way

  67. anonymous
    • one year ago
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    how do u divide 5 by k

  68. anonymous
    • one year ago
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    nvr mind how do u get n by itself

  69. jim_thompson5910
    • one year ago
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    you just leave it like that, so you'd have \[\Large n = \frac{5}{k}\]

  70. jim_thompson5910
    • one year ago
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    that's what you'd have after dividing both sides by k

  71. anonymous
    • one year ago
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    and then

  72. jim_thompson5910
    • one year ago
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    if you knew the value of k (the number it represents), then you could replace k with that number and divide

  73. jim_thompson5910
    • one year ago
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    but we don't know what k is so we leave it like 5/k

  74. anonymous
    • one year ago
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    ok so thats #14

  75. anonymous
    • one year ago
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    is it?

  76. jim_thompson5910
    • one year ago
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    yeah

  77. anonymous
    • one year ago
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    ok

  78. anonymous
    • one year ago
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    #15

  79. anonymous
    • one year ago
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    how do u do number 15

  80. anonymous
    • one year ago
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    nvrmind i know that

  81. anonymous
    • one year ago
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    #17??

  82. jim_thompson5910
    • one year ago
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    what would be the answer to #15

  83. anonymous
    • one year ago
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    actually i dunno could u help me

  84. anonymous
    • one year ago
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    u there

  85. jim_thompson5910
    • one year ago
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    give it a try and tell me what you think

  86. anonymous
    • one year ago
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    is it 5 divided by the money.......i dunno!

  87. jim_thompson5910
    • one year ago
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    what does n represent

  88. anonymous
    • one year ago
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    the # of visits??

  89. jim_thompson5910
    • one year ago
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    yes, so 5/k represents the number of visits (because it's equal to n)

  90. jim_thompson5910
    • one year ago
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    if k = 1, then 5/k = 5/1 = 5 basically saying if the price per visit is $1, then you'd have to make 5 visits for the two costs to be equal

  91. anonymous
    • one year ago
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    ok thank u very much

  92. jim_thompson5910
    • one year ago
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    no problem

  93. anonymous
    • one year ago
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    what about #17

  94. anonymous
    • one year ago
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    8x + 5 = 3x + 15 solve for x

  95. anonymous
    • one year ago
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    ok

  96. anonymous
    • one year ago
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    bye

  97. anonymous
    • one year ago
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    wait wat

  98. anonymous
    • one year ago
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    .

  99. anonymous
    • one year ago
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    no wait

  100. anonymous
    • one year ago
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    @jim_thompson5910

  101. anonymous
    • one year ago
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    r u there

  102. jim_thompson5910
    • one year ago
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    can you get all the x terms to one side? and everything else to the other side?

  103. anonymous
    • one year ago
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    let me try

  104. anonymous
    • one year ago
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    is it 8x+3x = 5+15

  105. jim_thompson5910
    • one year ago
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    no

  106. jim_thompson5910
    • one year ago
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    to move that 3x over, you have to subtract 3x from both sides

  107. anonymous
    • one year ago
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    :O

  108. jim_thompson5910
    • one year ago
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    you need the 3x on the right side to turn into 0x or 0 3x-3x = 0x = 0

  109. jim_thompson5910
    • one year ago
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    |dw:1441242757695:dw|

  110. jim_thompson5910
    • one year ago
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    |dw:1441242784001:dw|

  111. jim_thompson5910
    • one year ago
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    |dw:1441242807116:dw|

  112. anonymous
    • one year ago
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    oh ok then it will be 5x+5=15

  113. anonymous
    • one year ago
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    @pooja195

  114. anonymous
    • one year ago
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    r u there @jim_thompson5910

  115. jim_thompson5910
    • one year ago
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    |dw:1441242986486:dw|

  116. anonymous
    • one year ago
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    i was right

  117. jim_thompson5910
    • one year ago
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    Now subtract 5 from both sides |dw:1441243014153:dw|

  118. jim_thompson5910
    • one year ago
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    |dw:1441243025086:dw|

  119. anonymous
    • one year ago
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    it will be 5x=10, right?

  120. anonymous
    • one year ago
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    my final answer will be x=2

  121. jim_thompson5910
    • one year ago
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    yes

  122. anonymous
    • one year ago
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    yay!!

  123. anonymous
    • one year ago
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    now can u help me with #26?

  124. anonymous
    • one year ago
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    what time is it for u?

  125. jim_thompson5910
    • one year ago
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    what do you have so far for #26 ?

  126. anonymous
    • one year ago
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    nothing cause i dont get it

  127. anonymous
    • one year ago
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    u there?

  128. anonymous
    • one year ago
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    i need help!

  129. anonymous
    • one year ago
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    @me10000 my buddy

  130. jim_thompson5910
    • one year ago
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    have you heard of the distributive property?

  131. anonymous
    • one year ago
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    yes

  132. anonymous
    • one year ago
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    I am not sure if I know this sorry....

  133. anonymous
    • one year ago
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    oh now i get it the 2nd step is distributive property, right?

  134. jim_thompson5910
    • one year ago
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    yeah because `2(x-1)` turns into `2*x+2*(-1)` which becomes `2x-2`

  135. jim_thompson5910
    • one year ago
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    same with the `-3(x+2)`

  136. anonymous
    • one year ago
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    ok what about the other steps

  137. jim_thompson5910
    • one year ago
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    how are they simplifying line 2 to get line 3?

  138. anonymous
    • one year ago
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    2x-3x - 2- -6 =-1x - 8

  139. anonymous
    • one year ago
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    the other side stays the same

  140. jim_thompson5910
    • one year ago
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    how is that left side simplified? what happened?

  141. anonymous
    • one year ago
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    You got this slice...

  142. anonymous
    • one year ago
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    i combined like terms

  143. anonymous
    • one year ago
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    thanks for the encouragement @me10000 i would have been a goner if it wasnt for @jim_thompson5910

  144. anonymous
    • one year ago
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    @jim_thompson5910 r u there

  145. jim_thompson5910
    • one year ago
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    `i combined like terms` good so the reasoning is simply "combine like terms"

  146. jim_thompson5910
    • one year ago
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    there's no fancy math term needed

  147. anonymous
    • one year ago
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    Yep pm me if I can be of any assistance... With anything there than this...

  148. anonymous
    • one year ago
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    lol ok

  149. anonymous
    • one year ago
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    next step looks more complicated

  150. jim_thompson5910
    • one year ago
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    what's the change from line 3 to line 4?

  151. anonymous
    • one year ago
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    let me see

  152. anonymous
    • one year ago
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    they are trying to get the variable alone

  153. anonymous
    • one year ago
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    or are they??

  154. jim_thompson5910
    • one year ago
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    yeah that's the ultimate goal

  155. jim_thompson5910
    • one year ago
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    focus just on line 3 and line 4 what changes?

  156. anonymous
    • one year ago
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    they are adding 4x to both sides

  157. jim_thompson5910
    • one year ago
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    yep

  158. jim_thompson5910
    • one year ago
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    they are using the additive property of equality

  159. jim_thompson5910
    • one year ago
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    additive property of equality if a=b, then a+c = b+c

  160. anonymous
    • one year ago
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    oh now i get it

  161. anonymous
    • one year ago
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    line 5 looks like the answer of line 4

  162. jim_thompson5910
    • one year ago
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    what changed here

  163. anonymous
    • one year ago
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    i dunno

  164. anonymous
    • one year ago
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    r u there

  165. anonymous
    • one year ago
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    did u leave?? oh no!

  166. jim_thompson5910
    • one year ago
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    what changed from -1x+4x-8 = 8-4x+4x to 3x-8 = 8 look closely

  167. anonymous
    • one year ago
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    nvrmind ur here i got scared

  168. anonymous
    • one year ago
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    -1x+4x became 3x

  169. jim_thompson5910
    • one year ago
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    so you combined like terms

  170. jim_thompson5910
    • one year ago
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    same for -4x+4x = 0x = 0

  171. anonymous
    • one year ago
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    oh ok

  172. anonymous
    • one year ago
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    Let me guess: the next line is additive property of equality, right?

  173. jim_thompson5910
    • one year ago
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    why would it be that rule?

  174. anonymous
    • one year ago
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    Because they are adding 8 to both sides. Am I right?

  175. jim_thompson5910
    • one year ago
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    good

  176. anonymous
    • one year ago
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    Yay!!

  177. jim_thompson5910
    • one year ago
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    I'll be right back.

  178. anonymous
    • one year ago
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    the next line is combine like terms

  179. anonymous
    • one year ago
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    ok

  180. anonymous
    • one year ago
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    tell me when ur back

  181. anonymous
    • one year ago
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    r u there yet

  182. anonymous
    • one year ago
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    hello??

  183. jim_thompson5910
    • one year ago
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    `the next line is combine like terms` correct

  184. anonymous
    • one year ago
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    the next line is division property of equality, right?

  185. jim_thompson5910
    • one year ago
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    correct

  186. anonymous
    • one year ago
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    the last step is combine like terms, right?

  187. jim_thompson5910
    • one year ago
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    no, it's to convert the improper fraction to a mixed number

  188. anonymous
    • one year ago
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    oh ok thanks

  189. jim_thompson5910
    • one year ago
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    np

  190. anonymous
    • one year ago
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    whats #27

  191. anonymous
    • one year ago
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    u there

  192. jim_thompson5910
    • one year ago
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    what did you write in pencil? I can see something faintly written

  193. anonymous
    • one year ago
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    thats for part a of the question. its this: 4w+12(w-1)=36

  194. jim_thompson5910
    • one year ago
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    what does w represent

  195. anonymous
    • one year ago
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    im sorry but i forgot it was for

  196. jim_thompson5910
    • one year ago
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    how did you form the equation?

  197. anonymous
    • one year ago
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    i copied from my teacher

  198. jim_thompson5910
    • one year ago
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    and you don't remember how the teacher got it?

  199. anonymous
    • one year ago
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    the teacher was ina hurry

  200. jim_thompson5910
    • one year ago
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    give a guess what w represents

  201. anonymous
    • one year ago
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    the total distance?

  202. jim_thompson5910
    • one year ago
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    w = walking w is the time spent walking

  203. jim_thompson5910
    • one year ago
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    in hours

  204. jim_thompson5910
    • one year ago
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    so w-1 is the time spent biking (1 hour less)

  205. anonymous
    • one year ago
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    oh ok

  206. jim_thompson5910
    • one year ago
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    if you walk for w hours, and you walk at a speed of 4 mph, then how far do you walk?

  207. anonymous
    • one year ago
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    4*w

  208. anonymous
    • one year ago
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    u there

  209. jim_thompson5910
    • one year ago
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    yep, how far do you go when you bike?

  210. anonymous
    • one year ago
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    12*w

  211. anonymous
    • one year ago
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    is it?

  212. jim_thompson5910
    • one year ago
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    not just w though

  213. anonymous
    • one year ago
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    then what?

  214. anonymous
    • one year ago
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    is it 12*w-1

  215. jim_thompson5910
    • one year ago
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    the 12(w-1) like you wrote

  216. jim_thompson5910
    • one year ago
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    12 times (w-1)

  217. anonymous
    • one year ago
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    yes i was right the second time

  218. jim_thompson5910
    • one year ago
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    so the two distances add to get `4w+12(w-1)`

  219. jim_thompson5910
    • one year ago
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    that's how he got that left side

  220. anonymous
    • one year ago
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    now we find the value of w, right?

  221. jim_thompson5910
    • one year ago
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    yeah for part b

  222. anonymous
    • one year ago
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    im doing it

  223. anonymous
    • one year ago
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    i found it: x=3

  224. anonymous
    • one year ago
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    am i right?

  225. jim_thompson5910
    • one year ago
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    w = 3 is correct

  226. jim_thompson5910
    • one year ago
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    so he walked for 3 hrs and biked for 2 hrs (since w-1 = 3-1 = 2)

  227. anonymous
    • one year ago
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    how did he walk 3 hrs though?

  228. jim_thompson5910
    • one year ago
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    you just solved to get w = 3

  229. anonymous
    • one year ago
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    ya so?

  230. jim_thompson5910
    • one year ago
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    w represented the number of hours walked

  231. anonymous
    • one year ago
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    oh ok thanks now i get it.

  232. anonymous
    • one year ago
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    thnks for everything bro ur the best.

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