hasil dari 3√3x-7=1/9

[tex]$\begin{align} 3 \sqrt{3x - 7} &= \frac{1}{9} \\ \sqrt{3x - 7} &= \frac{1}{27} \\3x - 7&= (\frac{1}{27})^2 \\ 3x - 7&= \frac{1}{729} \\ 3x&= \frac{1}{729} + 7 \\x&= \frac{5104}{729 \ . \ 3} \\ x &= \frac{5104}{2187} \end{align}[/tex]