Answer:
100
Explanation:
The angles are on the same side of the transversal. They are corresponding angles, so they are equal. Put algebraically
4a = 2a + 50 Subtract 2a from both sides.
4a-2a = 2a-2a + 50 Combine
2a = 50 Divide by 2
2a/2 = 50/2
a = 25
<VYX = 4*a = 4*25 = 100