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19 June, 06:29

Solve using elimination 3x-4y=9 and - 3x+2y=9

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  1. 19 June, 06:34
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    3x-4y=9

    -3x+2y=9

    =>-2y=18

    => y = - 9

    => 3x-4 (-9) = 9

    => 3x+36=9

    =>3x = - 27

    => x = - 9

    (-9,-9)
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