The given equation is .

Distribute terms using distributive property: a (b + c) = ab + ac.

Product of two different signs is negative.

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

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

Distribute terms using distributive property: a (b + c) = ab + ac.

Product of two different signs is negative.

Apply addition property of equality: If a = b then a + c = b + c.

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

Apply subtraction property of equality: If a = b then a  c = b c.

Subtract  from each side.

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

Apply subtraction property of equality: If a = b then a  c = b c.

Subtract 16 from each side.

Apply additive inverse property: .

Apply division property of equality: If a = b then .

Divide each side by negative 16.

The value of .