Posted by PDF on Thursday, February 9, 2012 at 1:01am.
let the point X be X(a,b)
by ratios
(a+5)/5-a) = 3/2
2a+10 = 15-3a
5a=5
a=1
(b+2)/(13-b) = 3/2
2b+4 = 39 - 3b
5b = 35
b = 7
make a sketch to verify
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