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

The equation is $\"\"$ .

Apply division property of equality: Divide each side by 12.

$\"\"$

$\"\"$ (Cancel common terms)

$\"\"$ (Divide: $\"\"$ ) $\"\"$

Check:

To check the solution, substitute $\"\"$ in original equation.

$\"\"$

$\"\"$ (Multiply: $\"\"$ )

Compare the values, the equation is true. $\"\"$

The value of $\"\"$ .