3 years ago

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

Mathematics

2 answers:

crimeas [40]3 years ago

6 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

elixir [45]3 years ago

3 0

42/7=Z-3

6=Z-3

Z=6+3

Z=9

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