In this video i will be talking about solving three-variable systems with Gaussian Elimination. We need to complete our square and our goal is to get our square into Row-Echelon Form. This means that we will have our triangle or zeros in the left corner and our one stair case.
Please pay special attention to any equations that can be reduced if you reduce them it will make solving matrices much easier. Also don't forget to back substitute once you have finished finding your x,y & z variables to make sure you are correct.
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