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)