Gaussian Elimination & Row Echelon Form

This precalculus video tutorial provides a basic introduction into the gaussian elimination - a process that involves elementary row operations with 3x3 matrices which allows you to solve a system of linear equations with 3 variables. You need to convert the system of equations into an augmented matrix and use matrix row operations to write it in row echelon form. Next, you can convert back into a system of linear equations and solve using back substitution. Matrices - Free Formula Sheet: https://www.video-tutor.net/algebra-formula-sheet.html Matrices - Video Lessons: https://www.video-tutor.net/matrix.html Final Exam and Test Prep Videos: https://bit.ly/41WNmI9 Algebra Review: https://www.youtube.com/watch?v=i6sbjtJjJ-A