Question 534536
{{{k-3/5=8/10}}}
{{{k-3/5=cross(8)/cross(10)}}}
{{{k-3/5=4/5}}}
{{{k=4/5+3/5}}}
Take LCD
{{{k=(4+3)/5}}}
{{{k=7/5}}}
{{{k=1&2/5}}}