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Mathematics 9 Online
OpenStudy (anonymous):

The matrix shown below represents which system of equations? A. 3x + 8y + z = 22 7x - 4y + 2z = -3 -x - y + z = 7 B. 3x + y + 8z = 22 7x - 4y + 2z = -3 -x + y - z = 7 C. x + 3y + 8z = 22 7x - 4y - 2z = -3 -x + y - z = 7

OpenStudy (anonymous):

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