If the numerator of a fractionis multiplied by 4 and the denominatoris reduced by 2,the result is 2.if the numerator of the fraction is increase by 15 and 2 subtracted from the double of the denominator the result is 9/7, find the fraction

2 answers

If the original fraction is n/d, then we are told:

4n/(d-2) = 2
(n+15)/(2d-2) = 9/7

n/d = 3/8
I don't understand this