September 2018 1 13 Report

Rozwiaz i sprawdz rownania a) 25-7x=3x+57 b)-6y+27-7y=12-3y-5 c)35x-18+43=2x+15+23x d)23y+9-6y-42+y=7y-8+4y-5 zad 2. Rozwiaz i sprawdz a)y(y-1)-y^{2}=2 b)2x(2x-5)-4x(x^{2]+1)=1 c)3(x+2)-x(1-x)-x^{2}=18 d)x(x-3)+4(x-5)=x^{2}-2x+4 prosze o czytelne rozwiazanie


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