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Use Cramer's Rule to Solve the System 4x6y3z=535x+6y+7z=698x8y+7z=5\begin{array} { c } 4 x - 6 y - 3 z = - 53 \\- 5 x + 6 y + 7 z = 69 \\8 x - 8 y + 7 z = - 5\end{array}

Question 84

Multiple Choice

Use Cramer's rule to solve the system.
- 4x6y3z=535x+6y+7z=698x8y+7z=5\begin{array} { c } 4 x - 6 y - 3 z = - 53 \\- 5 x + 6 y + 7 z = 69 \\8 x - 8 y + 7 z = - 5\end{array}


A) {(4,9,5) }\{ ( 4,9,5 ) \}
B) {(9,5,9) }\{ ( 9,5,9 ) \}
C) {(4,9,5) }\{ ( 4 , - 9 , - 5 ) \}
D) {(5,7,5) }\{ ( 5,7,5 ) \}

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