1 Medal if correct

Which equation demonstrates the commutative property?

A.
–(11 + (–4)) = –11 + 4

B.
(25 + 7) + (–12) = 25 + (7 + (–12))

C.
6 + (–13) = –13 + 6

D.
12 + (18 + (–6)) = (12 + 18) + (–6)

Question

1 Medal if correct

Which equation demonstrates the commutative property?
 
 A.
–(11 + (–4)) = –11 + 4
 
 B.
(25 + 7) + (–12) = 25 + (7 + (–12))
 
 C.
6 + (–13) = –13 + 6 
 
 D.
12 + (18 + (–6)) = (12 + 18) + (–6)

kobeni-chan · Answer

The commutative property is when you reverse the order, but it's still asking for the same thing, so C.