Решить систему

Решите задачу:

$\left\{\begin{matrix} 2y &- &(y-4) &\ \textless \ &6 \\ y &\ \textgreater \ &3(2y-1) &+ &18 \end{matrix}\right.\\\\\\ \left\{\begin{matrix} 2y &- &y+4 &\ \textless \ &6 \\ y &\ \textgreater \ &6y-3 &+ &18 \end{matrix}\right.\\\\\\ \left\{\begin{matrix} y &\ \textless \ &2 \\ -5y &\ \textgreater \ &15 \end{matrix}\right.\\\\\\ \left\{\begin{matrix} y &\ \textless \ &2 \\ y &\ \textless \ &3 \end{matrix}\right.\\\\ x\in (-\infty;3)$