Question

resolva log3 (5x-2)=0

Answer 1

$\large\begin{array}{l} \mathtt{log_3\,(5x-2)=0}\\\\ \mathtt{5x-2=3^0}\\\\ \mathtt{5x-2=1}\\\\ \mathtt{5x=1+2}\\\\ \mathtt{5x=3}\\\\ \boxed{\begin{array}{c}\mathtt{x=\dfrac{\,3\,}{5}} \end{array}} \end{array}$


$\large\begin{array}{l} \texttt{Conjunto solu\c{c}\~ao: }\mathtt{S=\left\{\dfrac{\,3\,}{5}\right\}.}\\\\\\ \texttt{D\'uvidas? Comente.}\\\\ \texttt{Bons estudos!} \end{array}$