help me i don't get this

Answer:
x = 110; y=65
Step-by-step explanation:
X = 110 because A||B
in the small triangle we have 45° , y° and n° ( n is the missing angle )
n + x = 180
n = 180 -110
n = 70
triangle :
70 + 45 + y = 180°
115 + y =180
y = 180 - 115
y = 65°