Associative, Commutative & Distributive Property

Fill in the other half of the expression using the associative property                        (7 + 8) + 5 = _________

Which property is the expression below?  3 + x = x + 3

Is the expression below associative or commutative?     7 ・(x・6) = (7・x)・6

Which property is the expression below?                            4 + (3 + 5) = (4 + 3) + 5

Which property is the expression below?                         3x = x(3)

Which property is the expression below?                              3(5) = 5(3)

Which property is the expression below?   4(3 ∙ 5) = (4 ∙ 3) ∙ 5

Which property is the expression below?                              4 + (3 + x) = (4 + 3) + x

Is the expression below associative or commutative?    (a + b) + c = (b + c ) + a

Fill in the other half of the expression using the commutative property.                 3 + 4 + 5 = _________