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22 September, 16:38

7 (x-8) - 8 (x-7) = x+7 - (x-3)

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Answers (2)
  1. 22 September, 16:43
    0
    -x=10

    x=-10, just combine like terms!
  2. 22 September, 16:48
    0
    Remeber, you can do anything to an equation as long as you do it to both sides

    also, - (x-3) means - 1 (x-3), don't forget to distribute

    so distribute first

    7x-56-8x+56=x+7-x+3

    combine like terms

    -x=10

    x=-10

    wow, that simplified fast
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