Answer:
[tex]x=\frac{1}{3}[/tex]
Step-by-step explanation:
You cross multiply the x under 3 and multiply it by 9;
[tex]3=9x[/tex]
Divide both sides by 9;
[tex]\frac{3}{9} =x[/tex]
3/9 can also be called 1/3;
[tex]x=\frac{1}{3}[/tex]
Hope This Helps! :)