Question

Identify the property being demonstrated for each expression.

3 + (5 + 7) = (3 + 5) + 7

(3)[5(7)] = (3)[7(5)]

5 + 0 = 5

Answer 1

Answer:

3+5+7

?

=

3+5+7

15=15

True

Step-by-step explanation:

Answer 2

3+ 12 = 8 + 7


12— 5+7
8— 3+5