Solve the System $\left\{ \begin{aligned}x + y + z & = - 2 \\x - y + 4 z & = 14 \\4 x + 4 y + 4 z & = - 14\end{aligned} \right.$

question 107

Multiple Choice

Solve the system.
- $\left\{ \begin{aligned}x + y + z & = - 2 \\x - y + 4 z & = 14 \\4 x + 4 y + 4 z & = - 14\end{aligned} \right.$

• A) \(( 4 , - 4 , - 2 )\)
• B) \(( 4 , - 2 , - 4 )\)
• C) \(( - 4 , - 2,4 )\)
• D) \(\varnothing\)

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