Respuesta :

pragnaoli99

Step-by-step explanation:

5+4m=21

4m=21-5

4m=16

m=16/4

m=4

Answer:

m=6

Step-by-step explanation:

(6)+4m(-1)=21<subtract 6-1

(-5)+4m=(21)<subtract 5 to both sides

(4m)=(26)<divide