DAU COROANA VA ROG
50 PUNCTE VA DAU!
DACA REZOLVATI ACEASTA PROBLEMA
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Răspuns:
[tex] = \frac{ {3}^{9x - 6} }{ {3}^{5} } = {3}^{12x - 28} [/tex]
[tex] = {3}^{9x - 11} = {3}^{12x - 28} [/tex]
[tex]9x - 11 = 12x - 28[/tex]
[tex]9x - 12x = - 28 + 11[/tex]
[tex] - 3x = - 17[/tex]
[tex]x = \frac{17}{3} [/tex]