Read this lesson as text
Row Reduction & Row Echelon Form
Linear Algebra for Machine Learning · Axiom Academy
Full worked example: Solving a 3×3 system step-by-step Solve this system using Gaussian elimination: Which row has the largest leading coefficient? What is the multiplier m₂ to eliminate a₂₁? What is the pivot in position (2,2)? What is the complete solution? What is the key lesson from row reduction?
This is the written version of the interactive lesson above. See the full Linear Algebra for Machine Learning course.