Solve the system of equations.
A. x = 0, y = 0, z = 1; (0, 0, 1)
B. x = -1, y = 1, z = 1; (-1, 1, 1)
C. x = 0, y = 1, z = 0; (0, 1, 0)
D. x = 1, y = -1, z = 1; (1, -1, 1)
Answer: A
Mathematics
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