Cupcake123456:

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

2 months ago
Vocaloid:

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

2 months ago
Cupcake123456:

the commutative property ?

2 months ago
Vocaloid:

good

2 months ago
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