The expression 2+ (6 + 7y) is simplified in several steps below. For each step, choose the reason that best justifies it. Step 2 + (6 + 7y) (2+6) + 7y 8 + 7y 7y + 8 Reason Given expression Choose one Choose one 1)Commutative Property of Addition 2)Associative Property of Addition 3)Distributive Property 4)Combining like terms​