Respuesta :

rjdellner

Answer:

36degrees

Step-by-step explanation:

2x + 26 = 3x + 21

2x - 3x = 21 - 26

-x = -5

x = 5

m<B = (3x+21)°

m<B = 3(5) + 21

m<B = 15+21

m<B = 36degrees
The person above has the right answer