Hola! :3
Resolvemos:
3/8+2-1/6
(3*1+8*2)/(8*1)-1/6=x
(4+16)/8-1/6=x
20/8-1/6=x
5/2-1/6=x
(5/2)(3/3)-1/6=x
15/6-1/6=x
14/6=x
7/3=x
Espero haberte ayudado :D