Precalculus (6th Edition)

$-5$
Evaluate the given expression by substituting the given values of $x$ and $y$ to obtain: $=\dfrac{|-8(2)+(-4)}{-|-4|} \\=\dfrac{|-16+(-4)}{-(4)} \\=\dfrac{|-20|}{-4} \\=\dfrac{20}{-4} \\=-5$