Question

For the equation: 2x + 7y + 6x - 3y + 4, choose the algebraic expression by combining like terms:

a. 16
b. 8x + 4y + 4
c. 12x + 4
d. 8x + 10y +4

Answer 1

B

Explanation:

2x+6x=8x

7y-3y=4y

Add the new terms into the equation and you get 8x+4y+4

Answer 2

Combine like terms

Explanation:

+ 8x

+4y

+4

8x + 4y + 4