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svetoff [14.1K]
3 years ago
9

A is the midpoint of XY.

Mathematics
1 answer:
Jobisdone [24]3 years ago
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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