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2х2 6х. 3х у 2 х2-4х+8 у. 3х-6=х. -8х-3=-6х. 6х+3=8х-3(2у-4).
3х у 2 х2-4х+8 у. 3х-6=х. -8х-3=-6х. 6х+3=8х-3(2у-4).

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