Solve a System of Linear Equations in Three Variables Using $$\begin{array} { c } - 2 x - 2 y - z = - 13 \\x + 6 y + 6 z = 43 \\6 x + y + z = 13\end{array}$$

question 24

Multiple Choice

Solve a System of Linear Equations in Three Variables Using Cramer's Rule
- $$\begin{array} { c } - 2 x - 2 y - z = - 13 \\x + 6 y + 6 z = 43 \\6 x + y + z = 13\end{array}$$

• A) \(\{ ( 1,4,3 ) \}\)
• B) \(\{ ( 4,3,4 ) \}\)
• C) \(\{ ( 1 , - 4 , - 3 ) \}\)
• D) \(\{ ( 2,2,3 ) \}\)

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