Solve the System of Linear Equations A) $( 3 , - 3,1 , - 1 )$

question 22

Multiple Choice

Solve the system of linear equations. $\left\{ \begin{array} { c } x + y + z + w = 0 \\- 3 x - 2 y + z - w = - 5 \\- 5 x + 4 z - w = - 20 \\- 5 x + y + z + 4 w = - 15\end{array} \right.$

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

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