A fraction is such that, if 1 is subtracted from its numerator as well as its denominator, we get 1/3. If 1 is added to both the numerator and the denominator, the fraction becomes 1/2. Find the fraction
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(x-I)/(y-l) = 1/3
3x-y=2...(1)
(x+1)/(y+l) = 1/2
2x-y=-I....(2)
solve eqn (1) & (2) >x=3 andy=7
3/7 is the fraction
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