Solve the system, if possible.
?
?
?
A. x = -10, y = -3, z = -7
B. x = 10, y = 3, z = 7
C. x = -2, y = -10, z = 7
D. x = -13, y = -6, z = 7
E. no solution; inconsistent system
Answer: A
Mathematics
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