Solve by row reduction: \begincases 3x + 2y = 11 }, {x - y = 2 \endcases . (Ans: x = 3, y = 1 .)Solve by row reduction: \begincases 3x + 2y = 11 }, {x - y = 2 \endcases . (Ans: x = 3, y = 1 .)

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