[tex]\tt \: {}^{5} log(9x - 2) = 2[/tex]
x = .....?
.....
Jawab:
x = 3
Penjelasan dengan langkah-langkah:
Logaritma
[tex]\large\text{$\begin{aligned}&&&{}^5\log(9x-2)=2\\&&{\iff}&{}^5\log(9x-2)={}^5\log\left(5^2\right)\\&&{\iff}&9x-2=5^2\\&&{\iff}&9x-2=25\\&&{\iff}&9x=25+2\\&&{\iff}&9x=27\\&&{\iff}&\boxed{\ \bf x=3\ }\end{aligned}$}[/tex]
[answer.2.content]