September 2018 2 17 Report

Rozwiąż równania :

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

b)2z-(1-z)=11-z

c)1/3(s-2)=s+4

d)0,3(2r-3)=0,2r+0,9

e)5x(x-2)+4=x(5x-2)

f)2z(z+3)+(z+1)(z-2)=(z+1)(3z+2)

g)x2-3+4x=(x+2)2-1

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


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