Today I learned how to expand our use of elimination to solve for not one, not two, but three variables. This can be referred to as a non-square system. The following link is a video demonstrating how to solve a system of equations with three variables:
http://www.educreations.com/lesson/view/hma-period-5-square-and-nonsquare-systems-6/15521951/?s=7a1VCG&ref=app
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