Respuesta :

7m−5−13m=25
combine like terms
(7m - 13m) - 5 = 25
-6m - 5 = 25
Add 5 to boh sides
-6m - 5 + 5 = 25 + 5
Simplify
-6m = 30
Divide both sides by (-6)
-6m/ -6 = 30/-6
Simplify
m = -5