Answer :
[tex]\frac{x-9}{3}=\frac{5}{13}\ \ \ \ \ \ |cross\ multiply\\\\13(x-9)=3\cdot5\\\\13x-117=15\ \ \ \ |add\ 117\ to\ both\ sides\\\\13x=132\ \ \ \ \ |divide\ both\ sides\ by\ 13\\\\x=\frac{132}{13}\\\\\boxed{x=10\frac{2}{13}}[/tex]
