Question 892590
I wasn't sure if you forgot parentheses so I did it both ways.
.
.
.
{{{3/k-1=4}}}
{{{3/k=5}}}
{{{k=3/5}}}
.
.
.
{{{3/(k-1)=4}}}
{{{3/4=k-1}}}
{{{k=3/4+1}}}
{{{k=7/4}}}