Mathematics, 21.11.2019 04:31, jordanfwtm

The row-echelon form of the augmented matrix of a system of equations is given. find the solution of the system.
1 0 4 -1
0 1 -1 3
0 0 1 1

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The row-echelon form of the augmented matrix of a system of equations is given. find the solution of...