2/x - 1/y=1 : 3/x - 1/y=2
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ADD THE TWO EQUATIONS WE GET
5y=3xy
x=5/3
sub x is any one of the equation..
2y-5/3=5y/3
2y-5y/3=5/3
(6y-5y)/3=5/3
y=3
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