Question

Select the expression that is equivalent to the given expression: 3(x + 2) - x

A: 5x + 6

B: 2x + 6

C: 2x + 2

D: 9

Answer 1

B

Explanation:

if you simply 3(x+2)-x, you get 2x+6.

it is not 3x+6 because x already equals 1. 2x+6=2x+6