Question

I WILL MARK BRAINLIEST!
Which is an example of the associative property?

Question 1 options:




x + 5 = 5 + x




(x + 3) + 7 = x + (3 + 7)




3 • (x + 5) = 3 • x + 15




If x = a, and a = 7, then x = 7.

Answer 1

Answer:

choice 2

Step-by-step explanation:

since assistive property main meaning is changing the grouping does not change the sum choice 2 would be the best becouse only the grouping changed