Solve the System Using Gaussian Elimination $$\left\{ \begin{array} { l } x + y = - 2 \\x + z = - 4 \\y + z = - 4\end{array} \right.$$

question 3

Multiple Choice

Solve the system using Gaussian elimination. $$\left\{ \begin{array} { l } x + y = - 2 \\x + z = - 4 \\y + z = - 4\end{array} \right.$$

• A) \(( 1,1,3 )\)
• B) \(( - 1 , - 1 , - 3 )\)
• C) \(( 1,1 , - 3 )\)
• D) \(( 1 , - 1 , - 3 )\)
• E) \(( - 1,1 , - 3 )\)

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