Question

Evaluate the expression and name the property used in each step.

6x+4(3y+2x)+5y

2(4x-5)-8(6x-9)

Answer 1

Explanation:

i)6x+4(3y+2x)+5y

6x+12y+8x+5y

(6x+8x) (12y+5y) commutative property of addition

14x + 17y

ii) 2(4x-5)-8(6x-9)

8x-10-48x+72

8x-48x+72-10 commutative property of addition

-40x+62