Multiple Choice
Solve.
-7x + 7y + z = 1 x + 8y + 8z = 8
9x + y + 9z = 9
A) (1, -1, 1)
B) (0, 0, 1)
C) (0, 1, 0)
D) (-1, 1, 1)
Correct Answer:
Verified
Correct Answer:
Verified
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