$\"\"$

The equation is $\"\"$ .

Apply addition property of equality: Add m to each side.

$\"\"$

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

$\"\"$ (Add gh to each side) $\"\"$

Apply commutative property of addition: $\"\"$ .

$\"\"$

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

Combine like terms by using distributive property: ab + ac = a (b + c).

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

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

$\"\"$

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

The solution is $\"\"$ .