Step 1 :\(-5+5n-2n=2n+4-2n\) which simplifies to \(3n-5=4\)
Step 2 :\(3n-5+5=4+5\) which simplifies to \(3n=9\)
Step 3 :\(3n/3=9/3\) which simplifies to \(\boxed{n=3}\)