How to Use Cramer’s Rule

A detailed tutorial on how to solve systems of equations using Cramer’s rule. Step by step tutorial including several examples of how to solve for systems of equations using Cramer’s rule for reference.

Cramer’s rule is a theorem in linear algebra that is used as an alternative method of solving systems of equations. Cramer’s rule uses matrices to solve for systems of equations, and is typically used when there is a unique solution. The solution is expressed in the form of matrices which are obtained by replacing one column of the vector of right hand sides of the equations.

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