Question 1069427
{{{n/d}}}


{{{system(n/d=2/5,d=2n+3)}}}


{{{d=2(2d/5)+3}}}


{{{d=4d/5+3}}}


{{{5d=4d+15}}}


{{{d=15}}}---------------------{{{n=2*15/5=6}}}


{{{highlight(n/d=6/15)}}}