Answer: y = 120 degrees, x = 31 degrees
Step-by-step explanation:
Y is 120 degrees because same-side exterior angles are supplementary.
Therefore, 60+ y = 180; y = 120
Since "y" and "4x-64" are supplementary, they add up to 180.
We already know y as 120.
So 120 + 4x - 64 = 180
4x = 124
x = 31