Answer
$n=10$.
Work Step by Step
The given equation is
$\Rightarrow -\frac{n}{5}=-2$
Multiply each side by $-5$.
$\Rightarrow -5\cdot (-\frac{n}{5})=-5\cdot (-2)$
Simplify.
$\Rightarrow n=10$
Check:-
$\Rightarrow -\frac{10}{5}=-2$
$\Rightarrow -2=-2$
True.
Hence, the solution is $n=10$.
