Solve the System of Linear Equations $$\left\{ \begin{array} { r } 2 x + 8 y - z = 2 \\- x - 3 y + z = 1 \\x + 4 y - z = 0\end{array} \right.$$

question 62

Essay

Solve the system of linear equations. $$\left\{ \begin{array} { r } 2 x + 8 y - z = 2 \\- x - 3 y + z = 1 \\x + 4 y - z = 0\end{array} \right.$$

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Intercompany Sales

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