Use Cramer's rule to solve the linear system. If D = 0, use another method to determine the solution set. 7x + 3y - z = 30 x + 6y + 7z = 52-6x + y + z = -4
A. {(2, -6, -2)}
B. {(6, 2, 6)}
C. {(2, 6, 2)}
D. {(3, 4, 2)}
Answer: C
Mathematics
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A. 
B. 
C. 
D. 
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A. f(x) = 
B. f(x) = 
C. f(x) = 
D. f(x) = 
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