Question

Is it clear now. Up is 4x +5 and down one is 3x

Answer 1

since, the lines are parallel and a transversal is there.
therefore,
(4x+5)+3x = 180[Co interior angles]
7x+5 = 180
7x= 180-5
7x=175
x= 175/7
x= 25
x=25(ans)
hope this helps you.