Rezolvati ecuatia log in baza 3(2x+3)=3.
Va rog agutati-ma!


Răspuns :

[tex] \it log_3(2x+3)=3 \Rightarrow 2x+3=3^3 \Rightarrow 2x+3=27|_{-3} \Rightarrow 2x=24 |_{:2} \Rightarrow x = 12\\ \\ \\ Verificarea (obligatorie)\ este\ imediat\breve{a}. [/tex]

3(2x+3)=3
2x+3=3^3
2x+3=27
2x=24
=>x=12