14 - Solve 3-Variable Systems of Equations (Intro to Matrices - Triangle Method - Row Operations)

In this lesson, you will learn how to solve a system of linear equations by using the triangle method. The triangle method allows you to simplify any system of equations into triangle form using row operations on the equations. We can multiply an equation by a number, swap equations, and add equations.

We will show how to use these row operations to transform any linear system into triangle form, whereby we can then use substitution to arrive at the final solution.

[gabevanek]

You’re an awesome teacher. I barely passed algebra in high school (18 years ago)but every video of yours I’ve watched, I have left with a full understanding.

[georgettebeulah]

This make so much sense and meaning and feel really happy and wish to understand and see more.

[jafarakechmalueth]

God bless you where ever you are, you are inspiring me with a good knowledge

[RealinDealer]

Which video should I watch to prepare for this one?

[jardanijonovich]

Saved me in Circuit analysis
Now saving me in Linear Algebra

[drosky]

I'm a carpenter, is this worth the 30 mins