Question 1157037
Fraction,  {{{n/(n+4)}}}


{{{(n+6)/(n+4+6)=7/9}}}
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{{{(n+6)/(n+10)=7/9}}}

{{{9(n+6)=7(n+10)}}}

{{{9n+54=7n+70}}}

{{{2n=70-54}}}
{{{n=35-27}}}

{{{n=8}}}

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The fraction, {{{highlight(8/12)}}}




check------
{{{(8+6)/(12+6)=14/18=7/9}}}