Respuesta :

Answer:

x= 6

Step-by-step explanation:

wvx and wyx are right triangles so vwy and vxy are supplementary

18x -2 +12x +2 = 180

18x+12x = 180

30x = 180

x = 180/30

x = 6

substitute to double check

108 - 2 + 72 + 2 = 180

Pls mark brainliest