Respuesta :

naishakiladar123uk

Answer: m<DCB= 50 degrees

Step-by-step explanation:

120= (15x+5)+(22x+4)

120= 37x+9

111= 37x

x=3

15(3)+5

45+5=

50

gayanepoghosyan
50

15x+5+22x+4=120
37x+9=120
37x=111
x=3
M