Solve the System $\begin{array} { c } x + y + z = - 6 \\x - y + 5 z = 2 \\5 x + y + z = - 26\end{array}$

question 170

Multiple Choice

Solve the system.
$\begin{array} { c } x + y + z = - 6 \\x - y + 5 z = 2 \\5 x + y + z = - 26\end{array}$

• A) \(\{ ( 1 , - 5 , - 2 ) \}\)
• B) \(\{ ( - 5 , - 2,1 ) \}\)
• C) \(\phi\)
• D) \(\{ ( 1 , - 2 , - 5 ) \}\)

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