Question

Which of the following expressions simplifies to 3h?

A) 9+ h - 9+h
B) h + 2h + 7x - 7x
C h + 2 + 3 + 4h
D) 2h + 5h + m

Answer 1

The answer is B.

Explanation:

If you look at it this way, 7x - 7x is 0, leaving only the h + 2h which adds up to 3h. Hope that helped! :)