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).

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

Subtract 4y from each side.

Apply additive inverse property: .

Apply commutative property of subtraction: a b = b a.

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

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

Add 6 to each side

Apply additive inverse property: .

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The value of .