Respuesta :

Space

Answer:

Top row: [1 0 0 | 650}

Middle row: [0 1 0 | -400]

Bottom row: [0 0 1 | -1100]

Step-by-step explanation:

When you put an augmented matrix in RREF for, you have to have only 1's diagonal and 0's everywhere else on the left side of the bar.

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good job