Question

Which expression is not equivalent to the other three?

A: 2x + 2+ 2x + 3x – 8
B:4 + 7x – 2
C:–2 + 5x + 2x – 4
D:8x – x – 6

Answer 1

B. 4 + 7x – 2

Explanation:

Answer 2

b. 4+7x-2

Explanation:

when you add like terms for the first equation it becomes 7x-6

the second one becomes 7x+2

the third one becomes 7x-6

and the last one is also 7x-6

which means the second one is not equivalent