Respuesta :

Point M is the midpoint of segment AB

AM = MB

50 - 3x = –20 + 4x

7x = 70

x = 10


AM = 50 - 3(10)

AM = 50 - 30

AM = 20


Answer

AM = 20

Answer:

AM = 20

Step-by-step explanation:

AM = 50 - 3(10)

AM = 50 - 30

AM = 20