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2014-05-16T18:06:55+03:00

2-2x-5+3x supra -2 <1
2-5-2x+3x supra -2<1
-3+x supra -2<1
-3+x<-2
x<-2+3
x<1
2014-05-16T18:21:28+03:00
2-2x-5+3x supra -2 <1=
=2-5-2x+3x supra -2<1=
=-3+x supra -2<1=
=-3+x<-2=
=x<-2+3=
=x<1