Answer
-12
Work Step by Step
$\frac{4(12-18)}{-10\div(-2-3)}$ $\longrightarrow$ resolve expressions in parenthesis
=$\frac{4(-6)}{-10\div(-5)}$ $\longrightarrow$ simplify numeraator and denominator
=$\frac{-24}{2}$
=$-12$
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