Use Gauss-Jordan elimination to find the solution. Write the solution as an ordered triple. 6x + 7y - z = 76 x + 7y - 3z = 19-7x + y + z = -53
A. (-9, 6, 4)
B. (9, 4, 6)
C. (9, 6, 4)
D. (-9, 4, 18)
Answer: B
Mathematics
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