Question

Find the sum: (7-b) + (3b+2)

Answer 1

9 +2b

Explanation:

If you take the 7 and the 2 and add them you get 9 and the negative b then adds with the 3b, you would subtract the 1b from the 3b and get positive 2b.

Answer 2

9 + 2b

Explanation:

combine like terms, (7+2) (3b-b)