Multiple Choice
Solve using Cramer's rule.
-3x - 7y - z = -40 x - 4y - 5z = -36
-9x + y + z = -44
A) (6, -8, -2)
B) (7, 6, 2)
C) (6, 8, 2)
D) (8, 2, 8)
Correct Answer:
Verified
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-
-8a + 3c =
-2x + 2y =
-x + y + z
-2x + 4y = -
-3x - 7y -
-2x - 2y =
-x - y + 5z
-5x + 5y =
-x - 5y = -4
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