rozwiąż równanie
5(y+1)=4
5y+5=4 //-5
5y=4-5
5y=-1 //:5
y=-1/5
pozdr:)
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5(y+1)=4
5y+5=4 //-5
5y=4-5
5y=-1 //:5
y=-1/5
pozdr:)