Gaussian Elimination with Back Substitution

Learn how to solve systems of equations using Gaussian Elimination with back substitution in this free math video tutorial by Mario's Math Tutoring. We go through 2 examples using augmented matrices. Timestamps: 00:00 Intro 0:18 Example 1 0:19 Writing Augmented Matrix 0:47 Rules for Gaussian Elimination 4:35 Back Substitution 5:25 Writing Solution as a Triple 6:23 Example 2 6:32 Writing Augmented Matrix 11:19 Back Substitution 12:04 Writing Answer as a Triple Related Videos: Gauss Jordan Elimination with Row Reduced Echelon Form    • Row Reduced Echelon Form   Organized List of My Video Lessons to Help You Raise Your Scores & Pass Your Class. Videos Arranged by Math Subject as well as by Chapter/Topic. (Bookmark the Link Below) http://www.mariosmathtutoring.com/fre... ➡️JOIN the channel as a CHANNEL MEMBER at the "ADDITIONAL VIDEOS" level to get access to my math video courses(Algebra 1, Algebra 2/College Algebra, Geometry, PreCalculus), midterm & final exam reviews, ACT and SAT prep videos and more! (Over 390+ videos)    / @mariosmathtutoring