October 2018 2 15 Report

rozwiąż równania

a) 0,2x-0,5=2,1

b)0,3x+0,4=-0,2

c)2,1x-1,4=1,7x+0,2

d)2-0,01x=0,49x

e)0,02(5x-1)-0,4=1,1(x+0,2)

f)0,8x+3(0,2x-1)=0,4(x-2)+0,6x


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