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|x-3|=4 ajutati-ma varooooog

Răspuns :

Pui conditia la modul
Daca x-3>0 =>x-3=4 |+3 =>x=7
Daca x-3<0 =>-x+3=4 =>-x=1  

x-3=4. x=4+3. x=7 x-3=-4 x=-4+3 x=-1