If WZ is bisects VY, then VZ = ZY.
We have VZ = 2x + 4 and ZY = 3x - 4. Therefore:
2x + 4 = 3x - 4 subtract 4 from both sides
2x = 3x - 8 subtract 3x from both sides
-x = -8 → x = 8
Substitute the value of x to the expression 3x - 4:
3(8) - 4 = 24 - 4 = 20
Answer: ZY = 20
