How to solve a system of equations

This tutorial covers solving a 2 by 2 system of equations with 4 methods you need to you: graphing, substitution, elimination, and Cramer's rule. Make sure you master these methods for your algebra and precalculus classes! Subscribe to @bprpmathbasics for more algebra tutorials.

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0:00 4 ways of solving a 2x2 system of equations
0:09 Solving a system of equations by graphing
3:02 Solving a system of equations by substitution
6:06 Solving a system of equations by elimination
8:29 Solving a system of equations by Cramer's rule