Match each equation on the left to the mathematical property it uses on the right. (7 + 3) + 2 = 2 + (7 + 3)
commutative property of addition
3(2x + 4) = 6x + 12
commutative property of multiplicatio
(9.x) · 3 = 9. (x. 3)
associative property of addition
(8.x. 2) = (8.2.x)
associative property of multiplication
(4 + 5) + 1 = 4 + (5 + 1)
distributive property