to solve x you must simplify and group terms
and at the end place x on one side of the equation, alone
For example:
[tex]\begin{gathered} 2y=\frac{5y+3x}{3} \\ \\ 3\times2y=5y+3x \\ 6y=5y+3x \\ 6y-5y=3x \\ y=3x \\ \frac{y}{3}=x \\ \\ x=\frac{y}{3} \end{gathered}[/tex]