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Solve the System Using Gaussian Elimination or Gauss-Jordan Elimination 4x6y+5z=138x+4y7z=74x2y2z=15\begin{array} { l } - 4 x - 6 y + 5 z = 13 \\8 x + 4 y - 7 z = - 7 \\4 x - 2 y - 2 z = - 15\end{array}

Question 19

Multiple Choice

Solve the system using Gaussian elimination or Gauss-Jordan elimination.
- 4x6y+5z=138x+4y7z=74x2y2z=15\begin{array} { l } - 4 x - 6 y + 5 z = 13 \\8 x + 4 y - 7 z = - 7 \\4 x - 2 y - 2 z = - 15\end{array}


A) {(8,4,5) }\{ ( 8,4,5 ) \}
B) {(8,5,4) }\{ ( 8,5,4 ) \}
C) { }
D) {(5,8,4) }\{ ( 5,8,4 ) \}

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