Question

Which statement shows the associative property of addition?

(u + 7) + 13 = u + (7 + 13)

3⋅(5⋅x)=(3⋅5)⋅x

If m + 3 = 18, then 18 = m + 3.

21 + 2y = 2y + 21

Answer 1

The answer is (u+7) + (7+13)

Explanation:

you just have to do the problem

Answer 2

associative property of addition

answer is
(u + 7) + 13 = u + (7 + 13)