Respuesta :

a straight line = 180 degrees so:

4x+16 + 92 = 180

4x +108 = 180

4x=72

x = 72/4 = 18

x= 18

4x+16 + 92 = 180
4x + 108 = 180
4x = 180 -108
4x = 72
x = 72/4
x = 18