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

Given equation is $\"\"$ .

Apply division property of equality: Divide each side by 2.

$\"\"$

$\"\"$ (Cancel common terms)

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

Check:

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

$\"\"$

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

The equality is true. $\"\"$

The value of $\"\"$ .