September 2018 2 13 Report

klasa 1 gimnazjum strona 72 zbiór zadań zad. 15

rozwiaz rownania

2(x+3)=10

3(x-1)+2=8

2(13-x)-9=1

3(1-x)+2=-7

3(x+3)=2(x+4)+x+1

4(3x+2)+5(2x+3)=-(2x+13)

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

2(x-4)=2(2x-1)+6(x+1)


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