$\"\"$

$\"\"$ $\"\"$

The equation is $\"\"$ .

Apply subtraction property of equality: Subtract By from each side.

$\"\"$

$\"\"$ (Subtract: $\"\"$ ) $\"\"$

Apply division property of equality: Divide each side by A.

$\"\"$

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

The solution is $\"\"$ .