Question

Jakob is asked to simplify the expression –3a + 4b + 5a + (–7b).

He writes: –3a + 4b + 5a + (–7b) = –3a + 5a + 4b + (–7b).

Which property allows him to do this?
the associative property
the commutative property
the distributive property
the additive identity property

@Vocaloid
@Ultrilliam
@beebo31
@sazzie
@thisgirlpretty

Answer 1

any ideas? as a hint he just switched 4b + 5a to get 5a + 4b

Answer 2

the commutative property ?

Answer 3

good