September 2018 3 14 Report
Zapisz w prostszej postaci :
3x + 9y - 7x - 5y =
3(2x - 4y) - 2(3x-2y) =

Oblicz wartość wyrażeń algebraicznych :
3x + 4 dla x= -2
-8 - 2y dla y=3
2x + 3y - 6 dla x=4 i y=-3

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