September 2018 2 20 Report

Pomoże ktoś rozwiązać z góry dziękuję :)

x-niewiadoma

2x+2(x-1)=4

3(4x-5)=10x+2

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

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

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

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


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