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Solve this system using matrices:
x1 - x2 + x3 = 6
2x1 - x2 + x3 = 5
3x1 + x2 + 3x3 = -20
Answers: 3
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Solve this system using matrices:
x1 - x2 + x3 = 6
2x1 - x2 + x3 = 5
3x1 + x2 + 3x...
x1 - x2 + x3 = 6
2x1 - x2 + x3 = 5
3x1 + x2 + 3x...
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