Question

42=−7(z−3) solve for z

Answer 1

42=-7(z-3)

therefore,

42=-7z+21

therefore,

-7z=42-21=21

z=21/-7=-3

Answer 2

Answer:

Step-by-step explanation:

42 = -7(z-3)

42 = -7z+21

42-21 = -7z

21 = -7z

21/-7 = z

-3=z

Hence , the value of "z" is "-3"

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