How do you solve 4-5x=3+x?

I've been able to do other problems like this, but I can't get this one.
The way I did it, was like
4-5x=3+x
4-4x=3
but then I get stuck?
the book says it's
1/6

4-5x=3+x

subtract x from each side
4-6x=3 Therein is your error.