November 2018 1 47 Report
1. Oblicz metodą
przeciwstawnych współczynników:
{x+5y=348
{5x+6,5y=1000




2. Rozwiąż:
a) 3(1-x)+2=-7 b)
3(x+3)=2(x+4)+x+1 c) 4(3x+2)=-(2x+13) d) 4(x-2)-2(x-4)=5(x+1)-3x e)
2(x-4)=2(2x-1)+6(x+1)





od ChoryDiSo
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