Question 1067820
<pre>12x+17/3x+1 -2x+15/x+7 =16/5</pre>


Did you really have this?
{{{(12x+17)/(3x+1)-(2x+15)/(x+7)=16/5}}}


If not, then clarify.  If so, then multiply left and right members by the simplest denominator,   {{{5(3x+1)(x+7)}}}.  Simplify.  Continue from there.