Question

6. Which expressions are equivalent to 9x?

Select all that apply.
A. 8x + x
B. 9x + x
C. 10 - X
D. 5x + x + 3x
E. 7x + x + 2x

Answer 1

A. & D.

Explanation:

A. 8x + x = 9x

B. 9x + x = 10x

C. 10 - x = 10 - x (not like terms)

D. 5x + x + 3x = 9x

E. 7x + x + 2x = 10x