September 2018 1 20 Report

rozwiąż równania .

A: x-7=(7-x)-(14-2x)

B: x-4x+(2x+3)=6(3-x)

C: 2x+15=16(1+0,125x)

D: x/6 - x/4=x/2+2

[npx/2 to jest ułamek ixsy do góry ;)]


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