3 Equations, 3 Unknowns - How to Solve a 3-Variable System

This 15-minute tutorial demonstrates how to solve a challenging 3-variable linear system of equations that commonly appears in algebra courses. Follow along with a step-by-step solution process for finding the values of x, y, and z in a system where most students make mistakes. Perfect for test preparation, adult learners returning to mathematics, or homeschooling families. Try solving the problem yourself before the final answers are revealed. The video comes from TabletClass Math, which offers comprehensive courses in Math Foundations, Math Skills Rebuilder, Pre-Algebra, Algebra 1, Geometry, Algebra 2, and Pre-Calculus through their online academy.