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Mathematics
Charity Black
22 September, 05:47
Solve for Z. 42=-7 (z-3)
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Hillary Ritter
22 September, 06:48
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42/7=Z-3
6=Z-3
Z=6+3
Z=9
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Dorian Dixon
22 September, 08:25
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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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