Some please help me find the length of XY, I’ll give you Brainliest

Answer:
XY = 6
Step-by-step explanation:
Since line n bisects XY, there are two congruent segments.
1. 5x + 8 = 9x + 12
2. 4x = -4
3. x = -1
4. subtitute x into the equations to get 3 + 3 = 6