So you need to isolate the N right? So what you want to do is add -3/5 to both sides to remove it from the left side. making it 2n=5+3/5 now all you need to do it isolate the N by divinding it by 2 on each side n=5+3/5 /2 the 5+3/5 is divided by 2. so N equales 5+3/5----/2