What is XY?

Since the arc of 8x - 5 and 6x + 10 are the same, they should be the same too.

8x - 5 = 6x + 10

2x = 15

x = 7.5

10x - 10 = XY

10(7.5) - 10 = XY

65 = XY

=^._.^=