## Basic College Mathematics (9th Edition)

$z=-4.94$
We are given the equation $\frac{z}{-3.8}=1.3$. In order to solve, we must first rewrite the left side as $-\frac{1}{3.8}z$. Multiply both sides by -3.8. $(-\frac{1}{3.8}z\times-3.8)=z=1.3\times-3.8=-4.94$ Therefore, $z=-4.94$.