Answer:
y=-35
Explanation:
Steps
$\frac{y}{5}-=-7$
$\mathrm{Subtract\:}-\mathrm{\:from\:both\:sides}$
$\frac{y}{5}=-7$
$\mathrm{Simplify}$
$\frac{y}{5}=-7$
$\mathrm{Multiply\:both\:sides\:by\:}5$
$\frac{5y}{5}=5\left(-7\right)$
$\mathrm{Simplify}$
$y=-35$