If z = -7, what is the value of (-8z) - z?A. -63B. -49C. 49D. 63

Mnacos asked Feb 17, 2023

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Mnacos asked Feb 17, 2023

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25 votes

Given data:

The given expression is (-8z) - z.

The given value of z is -7.

Substitute -7 for z in the given expression.

$\begin{gathered} (-8(-7))-(-7)=(56)+7 \\ =63 \end{gathered}$

Thus, the value of the given expression is 63, so option D is correct.

Multidynamic answered Feb 22, 2023

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