$\"\"$

The equation is $\"\"$ .

Solve the equation $\"\"$ for n.

Apply commutative property of addition : $\"\"$ .

$\"\"$

Subtract $\"\"$ from each side.

$\"\"$

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

Write the fractions using a common denominator, 12.

$\"\"$

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

The value of $\"\"$ .