Algebra
posted by bb on .
The denominator of a fraction is 2 less than twice the numberator. If the numerator is decreased by 2 and the denominator is increased by 3, the resulting fraction simplifies to 1/3. Find the original fraction.
Have no idea what to do.

n/d = n/(2n1)
(n2)/(2n+2) = 1/3
3n  6 = 2n + 2
n = 8
d = 15
so
n/d = 8/15