Question 1134879
FRACTION   {{{n/(n+5)}}}


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{{{(n+4)/(n+5+4)=2/7}}}

{{{(n+4)/(n+9)=2/7}}}

{{{2n+18=7n+28}}}

{{{-10=5n}}}

{{{n=-2}}}

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The Fraction was  {{{-2/(-2+5)}}}


{{{highlight(-2/3)}}}


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check:

{{{(-2+4)/(3+4)}}}

{{{2/7}}}