Solve the system of equations by Gaussian elimination. If there is an unlimited number of solutions, find two of them. 4x - 4y - z = -4 x - 5y + 4z = -4 3x + y + z = 24
A. x = 5, y = 4, z = 5
B. x = -5, y = 5, z = 10
C. x = 5, y = 5, z = 4
D. Inconsistent
Answer: C
Mathematics
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A. x - 9
B. 9x - 9
C. 9x + 9
D. 9x - 9 + 
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A. 
B. 
C. 
D. 
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Use the product rule to simplify.
A. 7
B. 17
C. 49
D. 7
Mathematics