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

The equation is $\"\"$ .

$\"\"$ (Apply distributive property: a(b + c) = ab + ac)

$\"\"$ (Multiply: $\"\"$ )

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

$\"\"$

$\"\"$ (Add: $\"\"$ ) $\"\"$

Apply subtraction property of equality: Subtract 2n from each side.

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

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

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

The equality is false. $\"\"$

The equation has no solution.