October 2018 2 70 Report

Rozwiąż równania:
a) -2x-7=11

b) 3(x-1)+2=8

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

d) 3x
----- - 1+4x
4 ------- = 3
2 ---- - x
8

Przepraszam za złe rozmieszczenie punktu "d". :P


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