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13 August, 15:44

X+2=3x+8

geometry

solve for x

+2
Answers (2)
  1. 13 August, 15:51
    0
    X + 2 = 3x + 8

    (Subtract 8 over)

    x - 6 = 3x

    (Commutative property, x on the left is easier to understand usually)

    3x = x - 6

    (Subtract x over)

    2x = 6

    (Divide both sides by 2)

    x = 3
  2. 13 August, 15:52
    0
    X+2=3x+8

    Subtract 3x from both sides

    x+2 - 3x = 3x + 8 - 3x - 2x + 2 = 8

    Subtract 2 from both sides

    -2x+2-2=8-2

    -2x=6

    Then divide both sides by - 2

    You get x = - 3
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