Respuesta :

Answer:

x = 15

Step-by-step explanation:

you have a straight line and a straight line measures 180.  You have a 90 degree symbol.

180 = 90 + 47 + 2x + 13

180 = 150 + 2x  Subtract 150 from both sides of the equation

30 = 2x  Divide both sides by 2

15 = x