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CountryBoy15

  • one year ago

help me solve some equation

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  1. countryboy15
    • one year ago
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    1.x – 6 = 8 2.y + 5 = –12 3. -2c= –18

  2. sophiaholder
    • one year ago
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    Okay so giving you the answer wouldn't help. You need to know how to do it.

  3. countryboy15
    • one year ago
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    i know thats why i asked help not tell

  4. sophiaholder
    • one year ago
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    Okay let me help.

  5. countryboy15
    • one year ago
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    ty and whos the mod here

  6. sophiaholder
    • one year ago
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    My computer crashed sorry. Okay so for each equation, to solve for x you want to get it by itself.

  7. sophiaholder
    • one year ago
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    To do that, you need to remove the numbers on the side of the equation x is at.

  8. countryboy15
    • one year ago
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    ok

  9. sophiaholder
    • one year ago
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    For the first one, how would you get -6 to equal 0?

  10. sophiaholder
    • one year ago
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    Any idea?

  11. countryboy15
    • one year ago
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    nope

  12. sophiaholder
    • one year ago
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    Okay so to get rid of negative numbers, you need to add a positive number to it.

  13. sophiaholder
    • one year ago
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    -6 + 6 = 0

  14. sophiaholder
    • one year ago
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    After you add that to the side of the equation x is on, you have to add it to the other side.

  15. countryboy15
    • one year ago
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    so it would be x=6

  16. sophiaholder
    • one year ago
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    So, x-6 = 8 +6 +6

  17. countryboy15
    • one year ago
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    so x=2

  18. sophiaholder
    • one year ago
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    No, 6+8

  19. countryboy15
    • one year ago
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    wait no i got it x=14 ok

  20. sophiaholder
    • one year ago
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    Yep!

  21. sophiaholder
    • one year ago
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    Now try to do the second one.

  22. countryboy15
    • one year ago
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    yeah so the same for the others????\

  23. sophiaholder
    • one year ago
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    Sorta.

  24. sophiaholder
    • one year ago
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    if you have a positive number that you need to get rid of, you need to subtract.

  25. countryboy15
    • one year ago
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    would it be y=-7

  26. sophiaholder
    • one year ago
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    Close! If you are subtracting from a negative number, you need to add

  27. countryboy15
    • one year ago
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    or did i mis a step

  28. sophiaholder
    • one year ago
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    So -12 - 5 = -17

  29. sophiaholder
    • one year ago
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    Do you understand?

  30. countryboy15
    • one year ago
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    ok so then y=-17

  31. sophiaholder
    • one year ago
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    Yep!

  32. sophiaholder
    • one year ago
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    Now can you do the last one?

  33. countryboy15
    • one year ago
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    what about this fractoin thisng its 1/4 a=3

  34. sophiaholder
    • one year ago
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    It is VERY different for the last one.

  35. sophiaholder
    • one year ago
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    Annoying I know, but when you have 3x that means it is 3*x right?

  36. countryboy15
    • one year ago
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    can you help me with this one then ill do the last one 1/4 a=3

  37. sophiaholder
    • one year ago
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    *=multiply

  38. countryboy15
    • one year ago
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    right

  39. sophiaholder
    • one year ago
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    okay well to do that one, 1/4 * a = 3

  40. sophiaholder
    • one year ago
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    We can do two things here.

  41. countryboy15
    • one year ago
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    so it would be a=12

  42. sophiaholder
    • one year ago
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    YES!

  43. sophiaholder
    • one year ago
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    Good job!

  44. countryboy15
    • one year ago
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    ok well thats easy

  45. sophiaholder
    • one year ago
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    So what do you do for the last one?

  46. sophiaholder
    • one year ago
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    If it is multiplication, use division

  47. countryboy15
    • one year ago
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    ok l3ets see

  48. sophiaholder
    • one year ago
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    Keep the c alone and focus on the 3

  49. countryboy15
    • one year ago
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    so would it be c=-36 jw

  50. sophiaholder
    • one year ago
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    Okay, so no. If we have multiplication, we need to use division to get rid of the 3

  51. sophiaholder
    • one year ago
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    or 2

  52. countryboy15
    • one year ago
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    no wait it would be c=-9 right

  53. sophiaholder
    • one year ago
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    Yep. Except remember that a negative/negative = positive

  54. sophiaholder
    • one year ago
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    So it would be 9

  55. countryboy15
    • one year ago
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    so it would be c=9 then right

  56. sophiaholder
    • one year ago
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    Yep!

  57. countryboy15
    • one year ago
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    and can you help with 2 or 3 more thats all

  58. countryboy15
    • one year ago
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    heres the first 6.5 = –3 + n

  59. sophiaholder
    • one year ago
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    Of course!

  60. sophiaholder
    • one year ago
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    OKay so what do you think we would do first?

  61. countryboy15
    • one year ago
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    um lets see

  62. countryboy15
    • one year ago
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    -3 make it 3 maybe

  63. sophiaholder
    • one year ago
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    Add 3 to both sides to get rid of -3. :)

  64. countryboy15
    • one year ago
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    so would be n=9.5 right??

  65. sophiaholder
    • one year ago
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    Yep!

  66. countryboy15
    • one year ago
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    ok ty now 2 more please

  67. countryboy15
    • one year ago
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    then theres this 2/3x=6

  68. sophiaholder
    • one year ago
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    ok so what do you think we should do first. Hint: We will need to use multiplication and division for this one

  69. countryboy15
    • one year ago
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    sry crashed and um maybe divison

  70. sophiaholder
    • one year ago
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    Nope. IF we have a fraction beside the variable we need to get rid of the denominator.

  71. sophiaholder
    • one year ago
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    To cancel out division, you need to use multiplication.

  72. countryboy15
    • one year ago
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    oh so how would it be like??

  73. sophiaholder
    • one year ago
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    So, to get rid of 3 we need to multiply by 3 on both sides.

  74. countryboy15
    • one year ago
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    would it be x=9

  75. sophiaholder
    • one year ago
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    Yes!! Good job!

  76. countryboy15
    • one year ago
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    yes ty one more and again ty now i get it a lil more bc im home schooled and never get it thanks

  77. sophiaholder
    • one year ago
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    I'm homeschooled as well, so I understand.

  78. countryboy15
    • one year ago
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    x/4=12/6

  79. countryboy15
    • one year ago
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    thats awesome thanks for the help

  80. sophiaholder
    • one year ago
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    Okay so on this one I would simplify first.

  81. sophiaholder
    • one year ago
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    12/6 is...?

  82. countryboy15
    • one year ago
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    2??

  83. sophiaholder
    • one year ago
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    Yeah lol.

  84. sophiaholder
    • one year ago
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    I just realized that was probably a stupid question I apologize.

  85. countryboy15
    • one year ago
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    so would be x=8

  86. sophiaholder
    • one year ago
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    Yep!

  87. sophiaholder
    • one year ago
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    If you ever need anymore help, feel free to tag me if I am online.

  88. countryboy15
    • one year ago
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    lol thanks wish i could give more then one medal

  89. sophiaholder
    • one year ago
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    Algebra is one of my favorite subjects.

  90. countryboy15
    • one year ago
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    ok i will thanks

  91. sophiaholder
    • one year ago
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    And here is a medal for getting those last ones on your own!

  92. countryboy15
    • one year ago
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    oh ty so much have a great one thanks

  93. sophiaholder
    • one year ago
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    No problem! You too!

  94. countryboy15
    • one year ago
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    yeah would have mostliky asked someone to give lol

  95. sophiaholder
    • one year ago
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    lol

  96. countryboy15
    • one year ago
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    heres a word Q u think u could help

  97. countryboy15
    • one year ago
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    @sophiaholder

  98. countryboy15
    • one year ago
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    You need to make 18 cupcakes for a birthday party. You have already made 11. How many more cupcakes do you need to make? Write an equation and solve.

  99. countryboy15
    • one year ago
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    @whovianchick help please i think its 7 more they have to make idk

  100. countryboy15
    • one year ago
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    nvm i was right have a good one

  101. sophiaholder
    • one year ago
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    Sorry! Glad you got it yourself though!

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