Question 1090327
{{{x/(x+2)}}}, the fraction


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if 4 is subtracted from numerator or 12 is added to the denominator the same fraction is obtained.
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{{{(x-4)/(x+2)=x/(x+2+12)}}}
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{{{(x-4)/(x+2)=x/(x+14)}}}

{{{x(x+2)=(x-4)(x+14)}}}

{{{x^2+2x=x^2-4x+14x-56}}}

{{{2x=10x-56}}}

{{{8x=56}}}

{{{x=7}}}

Original Fraction, {{{highlight(7/9)}}}