September 2018 1 14 Report

podaj 3 pary liczb ktore sa rozwiazaniem rownan a) x-1 =2y b) 0,5x=y+2 c)7x-y=10 d)6x+2y=x-5 e)x+y=15(x-y) f)1/2x-1/3y=1/6


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