Question 426435
Please re-post your question and put parentheses around the numerators and denominators. The way you posted it could mean:
{{{2-a-7/a+4=a^2-5/a+4}}}
or
{{{2-a-7/a+4=a^2-5/(a+4)}}}
or
{{{2-a-7/(a+4)=a^2-5/a+4}}}
or
{{{2-a-7/(a+4)=a^2-5/(a+4)}}}
or
{{{2-(a-7)/a+4=a^2-5/a+4}}}
or
{{{2-a-7/a+4=(a^2-5)/a+4}}}
or
{{{2-(a-7)/a+4=(a^2-5)/a+4}}}
or
{{{2-(a-7)/(a+4)=a^2-5/a+4}}}
etc.