Respuesta :

7/8 m - 4 = -15/16 m + 1
7/8 m + 15/16 m = 1 + 4
7/8 (*2) m + 15/16 m = 5
14/16 m + 15/16 m = 5
29/16 m = 5
m = (5*16) / 29 = 80/29 = 2.759

Hope it helped!