Question 1189319
The first fraction,  {{{x/(x+11)}}}


The changed fraction, {{{(x-1)/(x+10)}}}


The changed fraction is equal to {{{3/14}}}.


{{{(x-1)/(x+10)=3/14}}}

{{{14(x-1)=3(x+10)}}}

{{{14x-14=3x+30}}}

{{{11x=30+14}}}

{{{11x=44}}}

{{{highlight(x=4)}}}


The first fraction was {{{highlight(4/15)}}}