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22 September, 05:47

Solve for Z. 42=-7 (z-3)

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Answers (2)
  1. 22 September, 06:48
    0
    42/7=Z-3

    6=Z-3

    Z=6+3

    Z=9
  2. 22 September, 08:25
    0
    42 = - 7 (z-3) distribute in parenthesis

    42 = - 7z + 21 isolate the variable z

    7z=21-42

    7z = - 21

    Z = - 21/7

    Z = - 3
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