please help i don't remember.
What property is shown by the equation?

1.
(–22 + 17) + 13 = –22 + (17 + 13)

2.
–(27 + (–3)) = –27 + 3

3.
35 + (–15 + 4) = (35 + (–15)) + 4

4.
–12 + 6 = 6 + (–12)

a.
commutative property
B.
associative property
C.
opposite of a sum property

Question

please help i don't remember.
What property is shown by the equation?


1.
(–22 + 17) + 13 = –22 + (17 + 13)

2.
–(27 + (–3)) = –27 + 3

3.
35 + (–15 + 4) = (35 + (–15)) + 4

4.
–12 + 6 = 6 + (–12)



a.
commutative property
B.
associative property
C.
opposite of a sum property

phi · Answer

when you put parens around a sum, you are "associating" them