Answer:
81°+x=180°[co interior angles]
x=180°-81°
x=99°
x°=(3y+33)°
99°=(3y+33)°
99-33=3y
66=3y
66/3=y
22=y
Answer:-91/3
Step-by-step explanation: I hope it’s right
21 years
Step-by-step explanation: