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7 November, 19:29

What is the answer for

r (x) = -x-7

+1
Answers (1)
  1. 7 November, 19:39
    0
    r (x) = - 7

    Step-by-step explanation:

    r (x) = - x - 7

    + 7 + 7

    7 = - x

    : - x : - x

    7/-1 = x

    -7 = x
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