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Solve the System Using Determinants 3x8y+8z=553x+4y2z=237x2y2z=1\begin{array} { l } - 3 x - 8 y + 8 z = 55 \\- 3 x + 4 y - 2 z = - 23 \\7 x - 2 y - 2 z = 1\end{array}

Question 114

Multiple Choice

Solve the system using determinants.
- 3x8y+8z=553x+4y2z=237x2y2z=1\begin{array} { l } - 3 x - 8 y + 8 z = 55 \\- 3 x + 4 y - 2 z = - 23 \\7 x - 2 y - 2 z = 1\end{array}


A) (3, -1, -9)
B) (3, 1, 9)
C) (4, -1, 9)
D) (1, 9, 1)

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