No one is answering my questions I’m feeling so bad and tomorrow is my exam also pls help someone pls :((giving brainliest to the one who answers )pls help

Answer:
a) 180° - (55°+65°) = 180 - 120 = 60
again bc x and C both give 180° as a lying angle.
c= 60°.
x= 180 - 60 = 120°
x=120°
Step-by-step explanation:
b is the same.