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Mathematics 15 Online
OpenStudy (anonymous):

The matrix here represents which system of equations? A. 2x - y + z = 12 3x + y + 5z = 8 2y - 6z = 3 B. x + 2y - z = 12 2x + y + z = 8 2x - 6y = 3 C. 2x - y + 12 = z x + 3y + 8 = 5z 2x - 6z = 3 I have no idea what to do...

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