$\"\"$

The expression is $\"\"$ .

Multiplication property of equality:

$\"\"$ .

$\"\"$ (Multiply each side by – 2)

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

$\"\"$ (Cancel common terms)

$\"\"$

Check:

Check the solution by substituting $\"\"$ in the original equation.

$\"\"$

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

$\"\"$

The value of $\"\"$ .