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12 March, 18:40

How to solve 4x+7=15

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Answers (2)
  1. 12 March, 19:02
    0
    So 4x+7=15

    Move 15 over so equals 0

    4x+7 - 15=0

    4x-8=0

    Move 8 back over

    4x=8

    Divide

    X = 2

    Good luck : D
  2. 12 March, 19:02
    0
    4x+7=15

    First step is to subtract 7 from both sides to get rid of it.

    4x + 7 - 7 = 15 - 7

    4x = 8

    Now all you have to do is divide both sides by 4.

    4x/4 = 8/4

    x = 2

    The answer is x = 2.
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