Solve the System of Linear Equations $$\left\{ \begin{aligned}2 x - 2 y + 3 z & = - 21 \\2 x + z & = - 11 \\- 2 x + 4 y - 4 z & = 28\end{aligned} \right.$$

question 41

Multiple Choice

Solve the system of linear equations.
$$\left\{ \begin{aligned}2 x - 2 y + 3 z & = - 21 \\2 x + z & = - 11 \\- 2 x + 4 y - 4 z & = 28\end{aligned} \right.$$

• A) \(( 3 , - 3,4 )\)
• B) \(( - 4,2 , - 3 )\)
• C) \(( 2 , - 3 , - 4 )\)
• D) \(( - 3,4,3 )\)
• E) \(( - 4,2,6 )\)

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