[tex] \frac{x+3}{5} = \frac{19}{25} =\ \textgreater \ x+3= \frac{19*5}{25} =\ \textgreater \ x+3= \frac{95}{25} =\ \textgreater \ 25x+75=95\\\\
=\ \textgreater \ 25x=95-75=\ \textgreater \ 25x=20=\ \textgreater \ x= \frac{20}{25} =\ \textgreater \ x= \frac{4}{5} [/tex]
