What is the value of x?

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