Solve the system of equations. If the system has infinitely many solutions, let the last variable be the arbitrary variable. 8x - 9y - 7z = 8 5x + 9y - 2z = 5 32x - 36y - 28z = 6
A. {(4, 4, -1)}
B. {(8, 5, 6)}
C. 
D. ?
Answer: D
Mathematics
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