Solve the Linear System Using an Inverse Matrix $$\begin{array} { c } x + 2 y + 3 z = 1 \\x + y + z = - 4 \\2 x + 2 y + z = - 6\end{array}$$

question 82

Multiple Choice

Solve the linear system using an inverse matrix.
- $$\begin{array} { c } x + 2 y + 3 z = 1 \\x + y + z = - 4 \\2 x + 2 y + z = - 6\end{array}$$

• A) \(( - 5,12 , - 1 )\)
• B) \(( 4,8 , - 6 )\)
• C) \(( - 21 , - 31 , - 14 )\)
• D) \(( - 11,9 , - 2 )\)

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