$\"\"$

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

The equation is $\"\"$ .

Apply multiplication property of equality: Multiply each side by 2.

$\"\"$

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

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

$\"\"$

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

Apply subtraction property of equality: Subtract a from each side.

$\"\"$

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

$\"\"$

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

$\"\"$ (Apply Additive identity property: $\"\"$ )

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

The solution is $\"\"$ .