Answer
$\frac{4y-2}{yz}$
Work Step by Step
Rewrite the fractions to get a common denominator. $$\frac{-2}{yz}+\frac{4}{z}=\frac{-2}{yz}+\frac{4y}{yz}$$ Thus, the expression simplifies to $\frac{4y-2}{yz}$.
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