Solve using Cramer's rule. 7a- 5c = -3 2a + 6b - 6c = -6-5a - 2b= -42

A. (6, 9, 6)
B. (6, 6, 9)
C. (7, 4, 9)
D. (6, -6, -9)


Answer: B

Mathematics

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