Question: Consider each matrix in Exercises 1 and 2 as the augmented matrix of a linear system. State in words the next two elementary row operations

Consider each matrix in Exercises 1 and 2 as the augmented matrix of a linear system. State in words the next two elementary row operations that should be performed in the process of solving the system.
1.

7625 0001 3410 4100 1000 1-6 4 0 0 2-7 0 4 0 0 23

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