Respuesta :

Answer:

XY = 18

Step-by-step explanation:

XY → XZ - YZ      [ here given XZ is 35 and YZ is 17 ]

XY → 35 - 17        [ subtracting ]

XY → 18               [ final answer ]

Let XY be x

  • XY+YZ=XZ

Put values

  • 17+x=35
  • x=35-17
  • x=18

XY=18