October 2018 1 28 Report

Zadanie.1

Rozwiąż układ równań.

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

4(x+y)-7(x-y)=4

Zadanie2.

Rozwiąż nierówności.

2(x-1)-3>-(x+1)+2x

3(x-1)>/2(2x-5)-3


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