Respuesta :
Answer:
m = -40
Step-by-step explanation:
2m + 20 = 4m - 60
2m = -80
m = -40
Answer:
m = 40
Step-by-step explanation:
Hope that helps and have a great day!

Answer:
m = -40
Step-by-step explanation:
2m + 20 = 4m - 60
2m = -80
m = -40
Answer:
m = 40
Step-by-step explanation:
Hope that helps and have a great day!