The length of VW is the difference between the length of segment VX and WX since they are collinear. Hence, the length of VW is 15 units.
Point W is located on the the Line segment VX ;
Given that :
Line Segment VX can be defined thus :
VX = VW + WX
make VW the subject ;
VW = VX - WX
VW = 17 - 2
VW = 15 units
Therefore, the length of VW is 15 units.
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