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15 July, 19:37

Solve for x - 3x + 7=22

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Answers (2)
  1. 15 July, 19:59
    0
    X=5

    subtract 7 on each side to get x-3x=15

    then divide by 3 on each side to get x-x=5

    the x's cancel so it's x=5
  2. 15 July, 20:00
    0
    -7.5 = x

    Explanation:

    22 = x - 3x + 7

    Subtract 7 from both sides:

    22 - 7 = x - 3x + 7 - 7

    15 = x - 3x

    15 = - 2x

    Divide by - 2 on both sides:

    15 : - 2 = - 2x : - 2

    -7.5 = x
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