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blake57roger

  • one year ago

Equations problem

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  1. Blake57roger
    • one year ago
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  2. Blake57roger
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    @Loser66

  3. Blake57roger
    • one year ago
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    @amistre64

  4. Blake57roger
    • one year ago
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    @freckles

  5. Blake57roger
    • one year ago
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    @dan815

  6. explicitvogue
    • one year ago
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    -15-X=-6 You have to isolate X from the other numbers. So first, add X to both sides. You will be left with -15=-6+X Now bring 6 to the other side by canceling it out. You will be left with -15-6=X Combine like terms. -9=X or X=-9 Let me know if you need more help!

  7. Blake57roger
    • one year ago
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    cool i just got 9 to

  8. Blake57roger
    • one year ago
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    |dw:1444008829821:dw|

  9. Blake57roger
    • one year ago
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    @explicitvogue

  10. Blake57roger
    • one year ago
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    wait wouldnt it be 4

  11. explicitvogue
    • one year ago
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    Again, to find X, you have to isolate and simplify! This time you would divide both sides by 4 since it's 4x. So tell me what you get

  12. explicitvogue
    • one year ago
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    The answer wouldn't be 4, but you would divide both sides by 4.

  13. Blake57roger
    • one year ago
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    1 -9

  14. explicitvogue
    • one year ago
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    4 times what will give you -36?

  15. explicitvogue
    • one year ago
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    yes, -9! Good job!

  16. Blake57roger
    • one year ago
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    |dw:1444009073134:dw|

  17. explicitvogue
    • one year ago
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    This is kind of like the first one. First, get the 4x by itself on one side of the = sign. How would you do that?

  18. Blake57roger
    • one year ago
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    6 is it 6

  19. Blake57roger
    • one year ago
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    no

  20. Blake57roger
    • one year ago
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    dont answer that

  21. Blake57roger
    • one year ago
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    36

  22. explicitvogue
    • one year ago
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    No it's not 6. Do it step by step. If you add 9 to both sides, you will have 4x=36 which is exactly like the second problem.

  23. explicitvogue
    • one year ago
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    right so 4x=36, now simplify that. X=?

  24. Blake57roger
    • one year ago
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    36

  25. explicitvogue
    • one year ago
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    Nope 4x=36. you have to divide both sides by 4. so what is 4x/4? and after that, what is 36/4?

  26. Blake57roger
    • one year ago
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    if im wrong its because i hate these types of problems im always wrong some how just saying

  27. Blake57roger
    • one year ago
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    9

  28. explicitvogue
    • one year ago
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    Coreect! x=9

  29. Blake57roger
    • one year ago
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  30. Blake57roger
    • one year ago
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    there

  31. Blake57roger
    • one year ago
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    ok if you do that im gonna take off the human calculator

  32. explicitvogue
    • one year ago
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    Okay this one is a bit more difficult. The first step is to distribute 6 into (-3-x). Do you know how to do that?

  33. explicitvogue
    • one year ago
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    I can explain it if not.

  34. Blake57roger
    • one year ago
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    no kinda

  35. Blake57roger
    • one year ago
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    im not the best with these problems

  36. explicitvogue
    • one year ago
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    It's okay, you are learning! Okay so 6(-3-x) basically means 6*-3 and 6*-x So try that, and see what you get. 6*-3=_____ 6*-x=_____

  37. Blake57roger
    • one year ago
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    6*3= -18

  38. explicitvogue
    • one year ago
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    Right. and 6*-x?

  39. Blake57roger
    • one year ago
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    x

  40. explicitvogue
    • one year ago
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    Nope, you are multiplying -x with 6.

  41. Blake57roger
    • one year ago
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    ok -x*6 you cant do can you

  42. Blake57roger
    • one year ago
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    x isnt a number

  43. explicitvogue
    • one year ago
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    yes, you can! -x*6 is -6x

  44. Blake57roger
    • one year ago
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    oh

  45. explicitvogue
    • one year ago
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    you can still multiply the two numbers, it would just make a consonant instead of an integer.

  46. Blake57roger
    • one year ago
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    ok

  47. explicitvogue
    • one year ago
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    okay so now you have -18-6x-2x=14 The next step is to combine the like terms. Can you do that?

  48. Blake57roger
    • one year ago
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    i can try so add them right

  49. Blake57roger
    • one year ago
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    8x

  50. explicitvogue
    • one year ago
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    Well in this problem you would be subtracting not adding, but you have the right idea.

  51. explicitvogue
    • one year ago
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    So what would be the whole problem now after you've done that?

  52. Blake57roger
    • one year ago
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    -18-8x

  53. explicitvogue
    • one year ago
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    right! so -18-8x=14 Now you have to do what you did with the problems before, you have to get the number with the x on one side of the = by itself. Can you try that?

  54. Blake57roger
    • one year ago
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    yea

  55. explicitvogue
    • one year ago
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    Okay, tell me what you get once you've tried

  56. Blake57roger
    • one year ago
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    -24x

  57. Blake57roger
    • one year ago
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    no

  58. Blake57roger
    • one year ago
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    would you add 8 to each side

  59. Blake57roger
    • one year ago
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    im in 8th grade and this still confuses me like why

  60. Blake57roger
    • one year ago
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    Like i should no this

  61. explicitvogue
    • one year ago
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    Nope not quite. It would actually be easier to add 18 to each side. And it's okay! I'm a Junior in high school, and I didn't completely understand these kinds of problems until the end of 8th grade

  62. Blake57roger
    • one year ago
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    well i dont feel bad any more

  63. explicitvogue
    • one year ago
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    so -18+18 would cancel out. so you would have 8x=32. Now try to simplify that.

  64. explicitvogue
    • one year ago
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    Never feel bad about thing you don't understand! Everyone learns at a different pace, and some things will come easier to you than others.

  65. Blake57roger
    • one year ago
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    4

  66. explicitvogue
    • one year ago
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    Right!

  67. explicitvogue
    • one year ago
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    See you're getting the hang of it!

  68. Blake57roger
    • one year ago
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    4=x

  69. explicitvogue
    • one year ago
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    Yes! Good job!

  70. Blake57roger
    • one year ago
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  71. Blake57roger
    • one year ago
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    ok there

  72. Blake57roger
    • one year ago
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    do you know this

  73. Blake57roger
    • one year ago
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    would the anwser be 5

  74. Blake57roger
    • one year ago
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    x=5

  75. Blake57roger
    • one year ago
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    @explicitvogue

  76. Blake57roger
    • one year ago
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    @explicitvogue

  77. Blake57roger
    • one year ago
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    Bro @explicitvogue

  78. ganeshie8
    • one year ago
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    \(x=5\) is correct

  79. Blake57roger
    • one year ago
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    ok

  80. Blake57roger
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  81. Blake57roger
    • one year ago
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    i have 3 more

  82. Blake57roger
    • one year ago
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    after this

  83. Blake57roger
    • one year ago
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    then im done

  84. ganeshie8
    • one year ago
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    |dw:1444011952447:dw|

  85. ganeshie8
    • one year ago
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    any ideas on how to start this problem ?

  86. Blake57roger
    • one year ago
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    kinda

  87. Blake57roger
    • one year ago
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    |dw:1444012161598:dw|

  88. ganeshie8
    • one year ago
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    That's a very good start! so, you have : \[\LARGE -\dfrac{1}{7}x+6=18\] what would be the next step ?

  89. Blake57roger
    • one year ago
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    add -1/7x +6

  90. ganeshie8
    • one year ago
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    Nope. you cannot combine them because they are not "like terms" you cannot add coconuts and oranges

  91. ganeshie8
    • one year ago
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    \[\LARGE -\dfrac{1}{7}x+6=18\] your goal here is to isolate \(x\), maybe subtract \(6\) both sides so that the left hand side looks simpler

  92. Blake57roger
    • one year ago
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    so i got -6/1/7 and 12

  93. Blake57roger
    • one year ago
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    !@ganeshie8

  94. Blake57roger
    • one year ago
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    @ganeshie8

  95. Blake57roger
    • one year ago
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    @pooja195

  96. Blake57roger
    • one year ago
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    @Directrix

  97. Blake57roger
    • one year ago
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    @Loser66

  98. Blake57roger
    • one year ago
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    @ganeshie8

  99. ganeshie8
    • one year ago
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    Good, \[\LARGE -\dfrac{1}{7}x+6=18\] subtract \(6\) both sides and get \[\LARGE -\dfrac{1}{7}x=12\]

  100. ganeshie8
    • one year ago
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    \(x\) is still not isolated, what can be done to make it all by itself ?

  101. Blake57roger
    • one year ago
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    so x = 12

  102. Blake57roger
    • one year ago
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    i dont know

  103. ganeshie8
    • one year ago
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    How can the equation \(-\dfrac{1}{7}x=12\) become the equation \(x=12\) ?

  104. ganeshie8
    • one year ago
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    we need to follow some rules when isolating \(x\). recall that we're allowed to multiply same number to both sides of an equation, so try multiplying \(-7\) both sides

  105. ganeshie8
    • one year ago
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    Good, \[\LARGE -\dfrac{1}{7}x+6=18\] subtract \(6\) both sides and get \[\LARGE -\dfrac{1}{7}x=12\] multiply \(-7\) both sides and get \[\LARGE x = -84\]

  106. ganeshie8
    • one year ago
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    see if that makes sense..

  107. Blake57roger
    • one year ago
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    yes it does

  108. Blake57roger
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    i haveone more then im done

  109. Blake57roger
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  110. Blake57roger
    • one year ago
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    there

  111. ganeshie8
    • one year ago
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    Suppose she has bought \(\large s\) small pots it is given that each small pot costs \(\$2.4\)

  112. ganeshie8
    • one year ago
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    so, how much she needs to pay for \(s\) small pots ?

  113. Blake57roger
    • one year ago
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    14-s

  114. ganeshie8
    • one year ago
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    Nope, try again

  115. Blake57roger
    • one year ago
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    14+s

  116. Blake57roger
    • one year ago
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    @ganeshie8

  117. Blake57roger
    • one year ago
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    bro this is my last question

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