$\"\"$

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

The equation is $\"\"$ .

Apply multiplication property of equality: Multiple each side by 2c.

$\"\"$

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

Apply addition property of equality: Add $\"\"$ to each side.

$\"\"$

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

The solution is $\"\"$ .