Respuesta :
Answer:
m + 7n + 12
Step-by-step explanation:
(4m + 7n) + (-3m + 12)
4m + 7n - 3m + 12
4m - 3m + 7n + 12
m + 7n + 12
(4m + 7n) + (-3m + 12)
First you must combine like terms. In this case there are only one set of like terms:
4m and -3m
(4m - 3m) + 7n + 12
m + 7n + 12
Hope this helped!
~Just a girl in love with Shawn Mendes