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-11+12x<-23
1-7x mai mare sau egal -20
3-4x<7


rezolva in Z​


Răspuns :

-11+12x<-23

12x<-12

x<-1

1-7x>=-20

-7x>=-21

x<=3

3-4x<-1

-4x<-4

x>1