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10 July, 09:17

Solve for x: |3x + 12| = 18

x = 2, x = - 10

x = 2, x = - 2

x = 10, x = - 10

x = - 2, x = 10

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Answers (1)
  1. 10 July, 09:28
    0
    3x+12=18, 3x-12=-18

    3x=18-12, 3x=-18+12

    3x=6, 3x=-6

    X=2, x=-2
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