August 2018 1 14 Report
Rozwiąż układy równań dowolna metodą (ale ja bym chciała podstawiania jak da radę ;p)
1. 3(2x-1)+4(y-2)=9
2(5x-1)+3y=5(3x+y)+2

2. 2(x+y)-3(x-2y)=-7x-2
5(x+1)-2(3-y)=-4(x+y)

3.4(x+2)-3(y-1)=x+y-3
3(x-4)-2(y-2)=4(x-y)+4
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