Mathematics

Eloise

24 October, 12:50

Madelyn simplified the expression 3 (4y) + 6 + 2y using the following steps:

3 (4y) + 6 + 2y

v

12y + 6 + 2y

v

12y + 2y + 6

v

14y + 6

Which property did she use in simplifying?

-commutative property of multiplication

-commutative property of addition

-associative property of multiplication

-associative property of addition