Question

alguém que sabe matemática me ajuda plz​

Answer 1

$log_{3}(2) + log_{3}(x) = log_{3}(18) \\ log_{3}(x) = log_{3}(18) - log_{3}(2) \\ log_{3}(x) = log_{3}(9) \\ log_{3}(x) = log_{3}(3 {}^{2} ) \\ log_{3}(x) = 2 \\ x = 3 {}^{2} \\ \pink{x = 9}$