Use the Gauss-Jordan method to solve the system of equations. 9x + 9y - z = 99  x - 6y + 6z = 38-9x + y + z = -59

A. (8, 9, 4)
B. (-8, 4, 16)
C. (8, 4, 9)
D. No solution


Answer: C

Mathematics

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Mathematics