Numerical Method - Old Questions

4. Discuss Gauss-Jordan method for solving a system of linear equations. Solve the system

        2x₁ + 4x₂ - 6x₃ = -8

        x₁ + 3x₂ +x₃ = 10

        2x₁ - 4x₂ - 2x₃ = -12

Using Gauss-Jordan method.