Solve a system with three variables

The video tutorial explains how to solve a system of three equations with three variables. It begins by introducing the system and the importance of eliminating one variable using pairs of equations. The instructor demonstrates how to create a system of two equations with two variables and solve it using elimination and substitution methods. The process involves finding the values of X and Z first, then substituting these values to find Y. The tutorial emphasizes the importance of choosing the right variable to eliminate and provides tips to avoid common mistakes.

What new insight or understanding did you gain from this video?