Let's go back and look at the way we started that problem again:
What if we'd solved for this guy instead?
Oh, please... Don't make me go on!
That thing got brutal fast!
So, if you can, always solve for a guy with no coefficient in front...
Go for an x or -x or y or -y.
In my opinion, problems like this guy
Should be done with
the method in the next section.
Solve by substitution: