Question

How do you solve a-9/a3

Answer 1

Is it this?
$\frac{a - 9}{a3}$
If so, then
$\frac{a - 9}{a3} = 0 \\ \frac{a}{a3} - \frac{9}{a3} = 0 \\ \frac{1}{3} - \frac{9}{a3} \\ \frac{1}{3} = \frac{9}{a3} \\ 3( \frac{1}{3} ) = 3( \frac{9}{a3} ) \\ 1 = \frac{9}{a} \\ a = 9$