Question

Which is an example of the associative property? A.(x + 3) + 7 = x + (3 + 7)
B.If x = a, and a = 7, then x = 7.
C.3 • (x + 5) = 3 • x + 15
D.x + 5 = 5 + x

Answer 1

not sure between A or D

Answer 2

ok thank you tho

Answer 3

sorry it's A
look at
http://www.aaamath.com/pro74ax2.htm
D is cumulative

Answer 4

its ok thank you again