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2 August, 18:45

11)

Solve for x:

3 (7 + 2x) + 3 = 3 (5 + x) - 9 (x + 1)

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Answers (2)
  1. 2 August, 19:36
    0
    x = - 1.5.

    Step-by-step explanation:

    3 (7 + 2x) + 3 = 3 (5 + x) - 9 (x + 1)

    21 + 6x + 3 = 15 + 3x - 9x - 9

    6x - 3x + 9x = 15 - 9 - 21 - 3

    12x = - 18

    x = - 18/12

    x = - 1.5.
  2. 2 August, 20:41
    0
    Step-by-step explanation:

    3 (7 + 2x) + 3 = 3 (5 + x) - 9 (x + 1)

    21 + 6x + 3 = 15 + 3x - 9x - 9

    6x + 24 = 6 - 6x

    12x = - 18

    x = - 1.5
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