Y is the midpoint of line segment XZ. Find the length of XZ.

Answer: xz=60
Step-by-step explanation:
2(x+4) = 3x-3
2x+8 = 3x-3
8+3 = 3x-2x
11 = x
xz = 2(2(x+4))
xz = 4(11+4)
xz = 60