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10 September, 16:58

Solve for z: z + 17 = 9

A. - 9

B. - 8

C. 8

D. 9

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Answers (2)
  1. 10 September, 18:03
    0
    z + 17 = 9

    First, subtract 17 from both sides. / Your problem should look like: z = 9 - 17

    Second, simplify 9 - 17 to - 8. / Your problem should look like: z = - 8.

    Answer: B) z = - 8
  2. 10 September, 19:58
    0
    The answer is - 8 because when u add a negative plus a positive it just like subtracing 8-17=9 is the same as - 8+17=9
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