$\"\"$

\

The equation is $\"\"$ .

\

Apply subtraction property of equality: If a = b then a $\"\"$ b = b $\"\"$ a.

\

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

\

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

\

Apply subtraction property of equality: If a = b then a $\"\"$ b = b $\"\"$ a.

\

$\"\"$ (Subtract 2a from each side)

\

Apply commutative property of addition: a + b = b + a.

\

$\"\"$

\

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

\

Combine like terms using distributive property: $\"\"$ .

\

$\"\"$

\

$\"\"$ (Subtract: $\"\"$ )

\

Apply division property of equality: If a = b then $\"\"$ .

\

$\"\"$ (Divide each side by 4) \ \

\

$\"\"$ (Cancel common terms) $\"\"$

\

The solution of $\"\"$ .