Rozwiąż układy równań
1\2(x-4)-2(y-3)=11
3(x-1)-1\3(y+6)=2
3\4(x+3)-(3-y)=-1
1\2(x-5}+2(y+1)=-2
1\3(x+1)-3(2y-1)=11
2(3-x)+1\4(y+1)=-4
2\5(x+7)-1\3(y+3)=2
1\2(x-4)+2\3(6-y)=3
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