September 2018 1 55 Report

Rozwiąż układ równań:

a) 2(x-1)-3(y+1)=0

x+y/2- x-y/3 =1,5

b) 4(x-1)-5(y+2)=x-3y

x+1/5 - 1-y/2 = y+x/4


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