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OpenStudy (anonymous):
Solve the System & find the rank 1x + 2y - 3z = -1 3x - 1y + 2z = 7 5x + 3y - 4z = 2
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OpenStudy (anonymous):
the answer is 1 2 -3 | -1 0 -7 11 | 10 0 0 0 | 3 rank (3??) right?
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