Discover how to solve systems of equations involving three variables and three equations by converting a matrix into reduced row echelon form in this 26-minute video tutorial. Master the technique of solving complex algebraic problems as part of a comprehensive Algebra course designed for quick review of key concepts. Follow along as the instructor demonstrates step-by-step solutions, then practice solving the problems on your own for optimal learning. Gain valuable skills in handling matrices, systems of equations, and advanced algebraic techniques that form the foundation for more complex mathematical concepts. This video is part of a series covering essential Algebra topics including graphing, quadratic equations, polynomials, functions, and rational equations.