Question

(8b+7) + (2b-9) simplify

Answer 1

10b-2

Explanation:

8b+2b is 10b. Then 7+(-9) is -2. Combine the answer to get 10b-2

Answer 2

Explanation:

10b + -2

or

10b - 2

8b + 2b = 10b

7 - 9 (or 9 - 7, which equals 2) = -2

you can add -2 which is

10b + -2

or subtract

10b - 2