[tex]0,2x-10=0\ \textless \ =\ \textgreater \ 0,2x=10=\ \textgreater \ \boxed{x=50}. \\ \\ 4x- \frac{1}{7}=0=\ \textgreater \ 4x= \frac{1}{7}=\ \textgreater \ \boxed{x= \frac{1}{28}} . \\ \\ 24x+1=9=\ \textgreater \ 24x=8=\ \textgreater \ \boxed{x= \frac{1}{3}}. [/tex]
