Use Back-Substitution to Solve the System of Linear Equations $\left\{ \begin{array} { c c } 2 x + y - 3 z & = 10 \\y + z & = 6 \\z & = 4\end{array} \right.$

question 52

Multiple Choice

Use back-substitution to solve the system of linear equations. $\left\{ \begin{array} { c c } 2 x + y - 3 z & = 10 \\y + z & = 6 \\z & = 4\end{array} \right.$

• A) \(( 10,1,4 )\)
• B) \(( - 10,2 , - 4 )\)
• C) \(( 10,2 , - 4 )\)
• D) \(( 10,2,4 )\)
• E) \(( - 10,2,4 )\)

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