Answer:
[tex] {\boxed{x = \frac{1}{81} }}[/tex]
Step-by-step explanation:
[tex] \\3x = \frac{1}{27} [/tex]
[tex] \\ \longmapsto \: x = \frac{1}{27 \times 3} [/tex]
[tex] \\ \longmapsto \: x = \frac{1}{81} [/tex]