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30 November, 17:19

Solve for x: |2x + 12| = 18

x = 3, x = - 3

x = 3, x = - 15

x = 15, x = - 15

x = - 3, x = 1

+3
Answers (1)
  1. 30 November, 17:47
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    |2x + 12| = 18

    2x + 12 = + or - 18

    x + 6 = + or - 9

    x = 9 - 6 or - 9 - 6

    x = 3 or - 15

    x = 3, x = - 15
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