Last question I asked like this was a bit overkill so let's try something simpler instead.
How can I write an equation of the form
<stuff with x>$=0$ that uses only $x$, such that the set of $x$ which satisfies the equation, when plotted, produces a 10 unit long line segment?
The idea of doing art with numbers interests me. Drawing a simple 1D line is part of the basics, I'd guess.