math
posted by Jasmine20 .
Can somone check this for me.
Directions: Identify the property that is used.
(1) 5+(6+7)=5+(7+6)
My answer: The commutative property of addition
(2) 4 x(3+2)=(3+2) x 4
My answer. The communtaive property of multiplication
right on both.

Choose the property that is illustrated by the following: If 3x = 15, then x = 5.