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Use the Elimination-By-Addition Method to Solve the System (7x+y=472x3y=3)\left( \begin{array} { c } 7 x + y = 47 \\2 x - 3 y = - 3\end{array} \right)

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Use the elimination-by-addition method to solve the system. (7x+y=472x3y=3)\left( \begin{array} { c } 7 x + y = 47 \\2 x - 3 y = - 3\end{array} \right)


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