## Algebra: A Combined Approach (4th Edition)

$\dfrac{2-(-2)}{-2+5}=\dfrac{4}{3}$
$\dfrac{2-z}{z+5};$ $z=-2$ Substitute $z$ with $-2$ and simplify: $\dfrac{2-(-2)}{-2+5}=\dfrac{4}{3}$