Question

4 m - 6 m - 3 m + 3 m+ 7+ m

Answer 1

4-6-3+3+7=5 вроде так

Answer 2

4 m - 6 m = -2 m
-2 m - 3 m = -5 m
-5 m + 3 m = -2 m
-2 m + 7 m = 5m
Удачи! :)