Solved

Solve
- $\begin{array} { l } x + y + z = 1 \\x - y + 3 z = - 13 \\5 x + y + z = 9\end{array}$

Question 32

Multiple Choice

Solve.
- $\begin{array} { l } x + y + z = 1 \\x - y + 3 z = - 13 \\5 x + y + z = 9\end{array}$

A) $( - 4,2,3 )$
B) $( - 4,3,2 )$
C) No solution
D) $( 2,3 , - 4 )$

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