Answer
$a=-40$
Work Step by Step
We are given the equation $-10=\frac{a}{5}-2$. In order to solve, we can first add 2 to both sides.
$-10+2=\frac{a}{5}-2+2$
$-8=\frac{a}{5}$
Multiply both sides by 5.
$-8\times5=\frac{a}{5}\times5$
Therefore, $a=-40$.
