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Din modulul de mai jos sa se afle x.
|x-|x-2021||=2022



Răspuns :

Răspuns:

|x-|x-2021||=2022

x>2021=>|x-(x-2021)|=2022

|x-x+2021|=2022(F)

x<0=>|x+x-2021|=2022

|2x-2021|=2022

-(2x-2021)=2022

-2x+2021= 2022

-2x=1. =>x=-1/2