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8 September, 22:16

How to solve 18 - 2 (x+7) = 8x-20-2/2

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Answers (2)
  1. 8 September, 22:30
    0
    18-2x-14=8x-20-1

    4-2x=8x-21

    4+21=8x+2x

    25=10x

    25/10=x

    5/2=x
  2. 8 September, 22:34
    0
    18-2 (x+7) = 8x-20-2/2

    (distribute)

    18-2x-14=8x-20-1

    (add common terms together)

    -2x+4=8x-21

    (have term with x be alone on one side of the equation)

    10x=25

    (divide both sides by 10)

    x=2.5
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