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Resuelve \begincases 2x + y = 7 }, {x - 3y = -2 \endcases vía Cramer. (Resp.: x = 19/7, y = 11/7 .)
Resuelve \begincases 2x + y = 7 }, {x - 3y = -2 \endcases vía Cramer. (Resp.: x = 19/7, y = 11/7 .)
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