\(\Leftrightarrow\left\{{}\begin{matrix}\dfrac{10x-15}{6}>\dfrac{4}{3}\\\dfrac{10x-15}{6}< 4\end{matrix}\right.\Leftrightarrow\left\{{}\begin{matrix}10x-15>8\\10x-15< 24\end{matrix}\right.\Leftrightarrow\left\{{}\begin{matrix}10x>23\\10x< 39\end{matrix}\right.\Leftrightarrow2.3< x< 3.9\)
=>x=3