Use the Gauss-Jordan method to solve the system of equations.9w + 7x - 5y - 2z = -218w + 5x - 8y - 2z = -299w + 7x + 6y + 3z = 18-5w - 2x + 7y + 9z = 15
A. (2, -3, 4, -1)
B. (2, 3, -4, -2)
C. (-1, 4, -5, 2)
D. No solution
Answer: A
Mathematics
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Mathematics