$\"\"$

The equation is $\"\"$ .

Apply multiplication property of equality: If a = b then $\"\"$ .

$\"\"$ (Multiply each side by q)

$\"\"$ (Cancel common terms)

Apply division property of equality: If a = b then $\"\"$ .

$\"\"$ (Divide each side by 10)

$\"\"$ (Cancel common terms) $\"\"$

The solution of $\"\"$ .