Respuesta :

Answer: d=2 YZ=16

Step-by-step explanation:

XZ=XY+YZ

5d+28=11d+9d-2

28=11d+9d-2-5d

28+2=15d

30=15d

2=d

YZ = 9d - 2 = 9. 2 0 2 = 18 - 2 = 16