Hi,
This is a video clip that I think you may be interested in.
It is how to solve an inequality and it is quite good.
It starts at a very early point but maybe this will be good for you.
The clip tells you that the only time an inequality is handled differently from an equality is when you multiply or divide by a negative number (you have to turn the sign around)
This true BUT
you also have to turn the sign around if you swap sides
for example
say you get near the end of solving an inequality and this is what you have
12 <= x
then the answer is
x >= 12
Other than this omission, the clip is very good.
http://www.youtube.com/watch?v=OKlRsTV43oY
+118703 
