This document provides examples of using Cramer's Rule to solve systems of linear equations. It gives the solutions to sample systems of 2 equations with 2 unknowns. Cramer's Rule is presented as a method for finding the solution to a system of linear equations. Examples are provided that show applying the rule and presenting the solutions.

1. Cramer’s RuleThe solution to the system of equations ax + by = ecx + dy = f is

2. Use Cramer’s Rule to solve the system of equations.Answer: (–1, 2)xyExample 6-1b

3. Use Cramer’s Rule to solve the system of equations.The solution is (4, 2)Example 6-1a

4. Use Cramer’s Rule to solve the system of equations.Example 6-3a

5. Use Cramer’s Rule to solve the system of equations.Example 6-3a

6. Use Cramer’s Rule to solve the system of equations.The solution isExample 6-3a