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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. Full-Length Math & Science Videos:   / collections   ___________________________________ Introduction to Matrices:    • Intro to Matrices   Adding and Subtracting Matrices:    • Adding and Subtracting Matrices   Scalar Multiplication of Matrices:    • Scalar Multiplication of Matrices and...   Solving Matrix Equations:    • Solving Matrix Equations   Multiplying Matrices:    • Multiplying Matrices   __________________________________ Gaussian Elimination & Row Echelon Form:    • Gaussian Elimination & Row Echelon Form   Gauss Jordan Elimination:    • Gauss Jordan Elimination & Reduced Ro...   Gaussian Elimination With 4 Variables:    • Gaussian Elimination With 4 Variables...   Inverse of a 2x2 Matrix:    • Inverse of a 2x2 Matrix   Inverse of a 3x3 Matrix:    • Inverse of a 3x3 Matrix   __________________________________ Determinant of 2x2 and 3x3 Matrix:    • Determinant of 3x3 Matrices, 2x2 Matr...   Determinant of 4x4 Matrix:    • How To Find The Determinant of a 4x4 ...   Cramer's Rule - 2x2 Linear System:    • Cramer's Rule - 2x2 Linear System   Cramer's Rule - 3x3 Linear System:    • Cramer's Rule - 3x3 Linear System   ___________________________________ Final Exams and Video Playlists: https://www.video-tutor.net/