October 2018 1 15 Report

Rozwiąż metoda podstawiania lub motodą przeciwstawnych wspolczynnikow .

a) x-2y =2

2x-2y=6.

b)x-2y=5

2x+y=1

c)2-(x-2y)=2(x+4)

5(x-2)= 6(y-3)-4


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