Respuesta :
- 7 + 4m + 10 = 15 - 2m
4m + 2m = 15 + 7 - 10
6m = 12
m = 12 : 6
m = 2
---------------------------------------
- 7 + 4 * 2 + 10 = 15 - 2 * 2
- 7 + 8 + 10 = 15 - 4
11 = 11
4m + 2m = 15 + 7 - 10
6m = 12
m = 12 : 6
m = 2
---------------------------------------
- 7 + 4 * 2 + 10 = 15 - 2 * 2
- 7 + 8 + 10 = 15 - 4
11 = 11