$\"\"$

The equality is $\"\"$ .

Apply multiplication property of equality: $\"\"$ .

$\"\"$ (Multiply each side by negative 2)

$\"\"$ (Cancel common terms)

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

Check:

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

$\"\"$ (Write the equation)

$\"\"$ (Substitute $\"\"$ )

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

The equality is true. $\"\"$

The solution is $\"\"$ .