October 2018 1 20 Report

zad 1 .

rozwiąż równanie :

a) 2(x+3)-3(x+1)=x-13

b)1+2[3(x-1)-5(2x-3)]=2x-7

c)5(x-1)-2(x+3)]=2x-7

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

e)4(x-2)-5(3x-9)=0

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


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