Gaussian Elimination & Row Echelon Form

Learn how to solve a system of 3 equations using Gaussian Elimination and row echelon form — with 2 full worked examples using row operations and back-substitution. 📐 👉 New to this series? Start with Intro to Matrices: [   • Intro to Matrices  ] ⏱️ Timestamps: 0:00 – Example 1: writing the system as an augmented matrix 2:30 – Row operations to reach row echelon form 18:30 – Back-substitution to solve for x, y, z 21:40 – Example 2: a second 3×3 system 28:20 – Row reducing to echelon form 39:00 – Back-substitution & final answer Yusuf holds a master's degree in mathematics from the University of Cape Town (UCT), with more than 15 years of experience teaching mathematics to primary, high school, and university students. This channel is set up with the aim of making maths make sense — fun, simple, and educational, with tricks, methods, and interesting concepts. Please subscribe, like, share, and follow me on this journey. Let's build a community of maths gurus! #GaussianElimination #LinearAlgebra #Matrices #LearnMaths #MathsWithYusuf