October 2018 1 25 Report

matematyka z plusem 3 zad4 str 48

C) x-2y=4 e) 1/2(x-1)+y= -2 1/2

x+3=2y x-7=1-y

d) 3x-1= y-2

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

potrzebuje na teraz prsze o rozwiazanie plis !!!


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