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

The equation is $\"\"$ .

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

$\"\"$ (Cancel common factors) $\"\"$

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

$\"\"$ (Cancel common factors) $\"\"$

$\"\"$ (Subtract a from both sides)

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

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

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

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

The solution is $\"\"$ .