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Solve the System {x+y=−6x−2y=1\left\{ \begin{array} { l } x + y = - 6 \\x - 2 y = 1\end{array} \right.

Question 86

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Solve the system. {x+y=−6x−2y=1\left\{ \begin{array} { l } x + y = - 6 \\x - 2 y = 1\end{array} \right.

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