Solve for z
z=-\frac{1}{32}=-0.03125
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-8=z\times 256
Calculate 16 to the power of 2 and get 256.
z\times 256=-8
Swap sides so that all variable terms are on the left hand side.
z=\frac{-8}{256}
Divide both sides by 256.
z=-\frac{1}{32}
Reduce the fraction \frac{-8}{256} to lowest terms by extracting and canceling out 8.
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