Question

if L1 is parallel to L2 and L3 parallel L4 what is y in terms of x​

Answer 1

,the angle made by L4 is 2y and opppsite angle is also 2y so by linear pair 2y+x =180

Answer 2

Answer:

2y+x=180 (corresponding and vertically opposite angles)

x+y=90

y=90-x