Question

-8m+(-15)+4m-2r-10 ?

Answer 1

- 4m - 2r - 25

Explanation:

-8m + (-15) + 4m - 2r - 10

- 8m - 15 + 4m - 2r - 10

collect the like terms beginning with the positives

4m - 8m - 2r - 10 - 15

- 4m - 2r - 25