I need help with this asap! Please show how you got the awnser! I WILL MARK BRAINLIEST!!!

Answer:
x=15
angle =34
Step-by-step explanation:
find the missing angle
180-146=34
angle=34
so
all angles added together
(5y+3)+(4y+8)+34=180
9y+11+34=180
9y+45=180
9y=135
y=15