October 2018 1 61 Report

Sprawdz czy równania spełniają liczby podane obok

4a-7=13 2; 4; 5

3x+1=4x-2 -2; 1; 3

-12x+10+6x=-8-3x 6

12-a-5(a-6)=0 7

prosze o pomoc


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