Solve the System of Linear Equations $$\left\{ \begin{array} { l l } - 2 x + 3 y - 4 z & = - 19 \\4 x - y - z & = 22 \\4 x + y - z & = 12\end{array} \right.$$

question 135

Multiple Choice

Solve the system of linear equations. $$\left\{ \begin{array} { l l } - 2 x + 3 y - 4 z & = - 19 \\4 x - y - z & = 22 \\4 x + y - z & = 12\end{array} \right.$$

• A) \(( 1 , - 4 , - 4 )\)
• B) \(( 4 , - 5 , - 1 )\)
• C) \(( - 5 , - 1,4 )\)
• D)inconsistent
• E) \(( - 4,1 , - 4 )\)

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