Use Cramer's rule to solve the system of equations. If D = 0, use another method to determine the solution set. x - y + 5z = 53x + z = 0 x + 4y + z = -20
A. {(0, -5, 0)}
B. Cramer's rule does not apply since D = 0; ?
C. {(0, -5, 5)}
D. {(0, 0, -5)}
Answer: A
Mathematics
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