SV #5: Solving 3-Variable Systems Using Gaussian Elimination plus Gauss-Jordan Elimination

                      In this video you will learn about how to solve 3 variable equations using Gaussian Elimination. You will become familiar with terms throughout the video such as: matrix/matrices, REF, RREF, Elementary Row Operations, Back Substitution, Gaussian-Jordan Elimination, triangle zeroes and stair-step ones. You will learn how to apply each of these in order to be able to solve 3 variable equations. You will learn how to solve step by step using at most 4 steps. Plus you will learn how to check your answer using a calculator.
                       You must pay close attention to the part when we are creating the triangle zeroes and stair-step ones in the matrices. It is tricky to see how you got to the new equation so you must pay close attention to the process of getting to the new equation. It is good to remember the ELEMENTARY ROW OPERATIONS so you can be sure to be on the right track. Make sure to be neat and organized as well.