Answer
$y=\frac{7b+3}{a}$
Work Step by Step
We are trying to isolate $y$ in the equation $ay-3=7b$
In order to do so, first we add $3$ to each side of the equation: $ay=7b+3$
Then, we divide by $a$ on each side of the equation: $\frac{ay}{a}=\frac{7b+3}{a}$
We simplify: $y=\frac{7b+3}{a}$
