Respuesta :

McCold

Answer:

m = 5

Step-by-step explanation:

Rewrite problem

m + 2m + -4m = -5

Combine like terms

-1m = -5

Divide -1 on both sides

-1m = -5/-1

m = 5

Check answer

5 + 2(5) +-4(5) = -5

5+ 10 + -20

-5 = -5

Hope this helps :)