A is the midpoint of XY.

1 answer:

4 0

Since A is the midpoint, this means that XA=AY
3x=5x-6
6=5x-3x=2x
x=3
based on this:
XA=3x=3(3)=9
AY=5x-6=5(3)-6=15-6=9
XY=9*2=18

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