Multiple Choice
Solve the system using matrices.
-5x - y + 6z = 85 -8x - 8z = -128
4y + z = 15
A) (9, 7, 2)
B) (-9, 2, 18)
C) (9, 2, 7)
D) inconsistent
Correct Answer:

Verified
Correct Answer:
Verified
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