$\"\"$

The equation is $\"\"$ .

$\"\"$ (Subtract $\"\"$ from each side)

$\"\"$ (Apply additive inverse property: $\"\"$ )

$\"\"$ (Apply additive identity property: $\"\"$ ) $\"\"$ $\"\"$ (Multiply each side by 2)

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

$\"\"$ (Apply distributive property: $\"\"$ )

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

The expression in terms of $\"\"$ .