How to Solve Systems of Linear Equations by Substitution.
MIT grad shows how to use the substitution method to solve a system of linear equations (aka. simultaneous equations). To skip ahead: 1) For a BASIC .
3 equations 3 unknowns: Solving Linear Systems of Equations Using Substitution - 3 complete examples are .
In this video, we learn how to solve a system of linear equations using the method of substitution. This method is generally preferred .