Matematika [tex]\tt \: {}^{5} log(9x - 2) = 2[/tex]x = .....?.....​

laurianetoyulv – June 04, 2023

[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]

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