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Solve a System of Linear Equations in Three Variables Using 9x7y3z=174x+3y4z=458x8y8z=8\begin{array} { l } 9 x - 7 y - 3 z = 17 \\4 x + 3 y - 4 z = 45 \\8 x - 8 y - 8 z = - 8\end{array}

Question 5

Multiple Choice

Solve a System of Linear Equations in Three Variables Using Cramer's Rule
- 9x7y3z=174x+3y4z=458x8y8z=8\begin{array} { l } 9 x - 7 y - 3 z = 17 \\4 x + 3 y - 4 z = 45 \\8 x - 8 y - 8 z = - 8\end{array}


A) {(8,7,2) }\{ ( 8,7,2 ) \}
B) {(7,2,7) }\{ ( 7,2,7 ) \}
C) {(8,7,2) }\{ ( 8 , - 7 , - 2 ) \}
D) {(9,5,2) }\{ ( 9,5,2 ) \}

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