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Resuelve \begincases 2x - y = 0 }, {x + 3y = 7 \endcases por eliminación. (Resp.: x = 1, y = 2 .)
Resuelve \begincases 2x - y = 0 }, {x + 3y = 7 \endcases por eliminación. (Resp.: x = 1, y = 2 .)
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