I want to see the answers of multi equations, equations are in m file

Sorry for poor English.I have 12 equations and 12 parameters, I tried to solve it with Matlab, but I cant see any answer, (warning: Explicit solution could not be found), m file is attached

Answer 1

[Mischa Kim]

Alireza, add

 syms a b c d e f g h i j k l

in front of the solve command.

 >> S.a
 ans =
 0.098928114342161586610430529352684

[Alireza]

Thanks MISCHA KIM