Solve the System of Equations A) $( 2 , - 1,9 )$

question 64

Multiple Choice

Solve the system of equations.
- $$\begin{array} { l } x _ { 1 } - x _ { 2 } + x _ { 3 } = 8 \\x _ { 1 } + x _ { 2 } + x _ { 3 } = 6 \\x _ { 1 } + x _ { 2 } - x _ { 3 } = - 12\end{array}$$

• A) \(( 2 , - 1,9 )\)
• B) \(( - 2 , - 1,9 )\)
• C) \(( - 2 , - 1 , - 9 )\)
• D) \(( 2 , - 1 , - 9 )\)

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