Chapter 9: Matrices and Determinants

1.	Write the augmented matrix for the system of equations. [Hint]
2.	Write the linear system represented by the augmented matrix. [Hint]
3.	Perform the matrix row operation. [Hint]
4.	Solve the system of equations using Gauss-Jordan elimination. [Hint]
5.	Using Gaussian elimination with back-substitution, solve the system of equations. [Hint]
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