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4 December, 09:01

Simply:

6 (x+2) + 3 (x-9)

+3
Answers (2)
  1. 4 December, 09:12
    0
    6 (x+2) = 6x + 12

    3 (x-9) = 3x - 27

    6x + 12 + 3x - 27 = 9x - 15

    The answer is 9x - 15
  2. 4 December, 09:14
    0
    6 (x + 2) + 3 (x - 9)

    6 (x + 2) = 6 * x = 6x, 6 * 2 = 12

    6x + 12

    3 (x - 9) = 3 * x = 3x, 3 * - 9 = - 27

    3x - 27

    6x + 12 + 3x - 27=

    6x + 3x = 9x

    12 - 27 = - 15

    Answer: 9x - 15
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