Mathematics, 11.02.2020 00:58, kimjooin02

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

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...