Each matrix below represents an augmented matrix of a linear system. For each matrix, identify the basic variables, the free variables and the number of solutions and your reasoning.

https://youtu.be/dYI8kyahQuQ

Each matrix below represents an augmented matrix of a linear system. For each matrix, identify the basic variables, the free variables and the number of solutions and your reasoning.

https://youtu.be/HnHMfBtp7Ns

The Ultimate Cheat Sheet

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