Respuesta :

Answer:

x = 8

Step-by-step explanation:

(I'm assuming both equations are referring to the angle)

Set both equal to each other bc the angle is the same, and solve:

17x - 4 = 12 + 15x

+4            +4

17x = 16 + 15x

-15x         -15x

2x = 16

x = 8