Respuesta :

iilluminaughty

Answer:

x = 27

Step-by-step explanation:

45° + 53° + (3x+1)° = 180°

(3x+1)° = 82°

x = 27

shhwwuwgjqfwjsK
x=28

45+50+(3x+1) = 180
96. 180
-96. -96
3x=84
x=28