How to Solve a Linear System of Three Equations and Three Unknowns

How to solve the linear system of three equations and three unknowns using the elimination method. Choose two equation and eliminate one variable twice. This will leave a linear system of two equations to be solved any way you choose. Here we use the elimination method.

Chapter 4 - Solving Linear Systems

4.1 Solving Linear Systems by Graphing
4.2 Solving Linear Systems by Substitution
4.3 Solving Linear Systems by Elimination
4.4 Applications of Linear Systems
4.5 Solving Systems of Linear Inequalities (Two Variables)
4.6 Review Exercises and Sample Exam