Question 176898
If you mean this:
{{{(x-3)/5-1=(x-5)/4}}}
A first step that would be nice is to get rid of the fractions.  So what could we multiply both sides by to do this?  The LCM of 5 and 4 is 20.  So,
{{{20(x-3)/5-1(20)=20(x-5)/4}}}
{{{4(x-3)-20=5(x-5)}}}
{{{4x-12-20=5x-25}}}
{{{4x-32=5x-25}}}
{{{-32=x-25}}}
{{{-7=x}}}