September 2018 1 11 Report

1.Dane jest rowniaanie 2(x+3)=-X+3. Sprawdz czy spelnia je liczba -1

2.rozwiaz ukady rownan

\left \{ {{x+y=5} \atop {x-2y=-1}} \right

\left \{ {{x-y=5} \atop {3(x+y)=24}} \right

\left \{ {{x-2y=4} \atop {x+3=2y}} \right

\left \{ {{3x-1=y-2} \atop {4x-3=3(y-2)}} \right


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