Use Cramer's rule to solve the linear system. If D = 0, use another method to determine the solution set. 2x - 5y - z = -9 x - 3y - 4z = -34-9x + y + z = -52
A. {(7, 3, 8)}
B. {(3, 8, 3)}
C. {(8, 1, 8)}
D. {(7, -3, -8)}
Answer: A
Mathematics
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A. 
B. 
C. 
D. 
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