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Solve the System of Linear Equations Below by the Method {2x+y=72x5y=27\left\{ \begin{array} { c } - 2 x + y = 7 \\2 x - 5 y = - 27\end{array} \right.

question 9

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Solve the system of linear equations below by the method of elimination, if a single solution exists. {2x+y=72x5y=27\left\{ \begin{array} { c } - 2 x + y = 7 \\2 x - 5 y = - 27\end{array} \right.


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