Respuesta :

Answer:

110

Step-by-step explanation:

2x+13+3x+57=180

5x+70=180

180-70=110

Answer:

x = 110 degrees

Step-by-step explanation:

Add up all the angles ( y = 180 )

2x + 13 + 3x + 57 = 180

Simplify

5x + 70 = 180

180 - 70 = 110