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14 May, 23:57

Simplify, THEN evaluate for x = 3, y = - 4, and z = - 2.

7 (x - y) - 3 (2 + 2x)

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Answers (1)
  1. 15 May, 00:17
    0
    Answer: 25

    Step-by-step explanation:

    7 (x - y) - 3 (2 + 2x)

    = 7x - 7y - 6 - 6x

    = x - 7y - 6

    for x = 3, y = - 4

    3 - 7 (-4) - 6

    = 3 + 28 - 6

    = 31 - 6

    = 25
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