$\"\"$

The literal equation is $\"\"$ and specific equation is $\"\"$ .

First solve the literal equation $\"\"$ for x.

Multiply each side by b.

$\"\"$

Cancel common terms.

$\"\"$

Subtract a from each side.

$\"\"$

$\"\"$ . $\"\"$

Next use the above solution to solve $\"\"$ .

Substitute the values of $\"\"$ in the solution of literal equation $\"\"$ .

$\"\"$

$\"\"$ . $\"\"$

The solution of $\"\"$ is 9.