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Rezolva ecuatiile:(Ajutati-ma va rog pt ca am nevoie urgent) Va rog mult!! Dau coroana,Multumiri,5 stelute!! Va rog daca stiti ajutati-ma !!

5*(3x-9)=60

(23-5x):9=2

24:(5-x)=6

32:(13-5x)=4

3*x-15:3=19+3

5*x-21:7=4+13

13-14:x=18-7