\(\Rightarrow4x+2x-1=3x-3\Leftrightarrow3x=-2\Leftrightarrow x=-\dfrac{2}{3}\)
\(\dfrac{2x}{3}+\dfrac{2x-1}{6}=\dfrac{x-1}{2}\)
\(\Leftrightarrow\dfrac{4x}{6}+\dfrac{2x-1}{6}=\dfrac{3x-3}{6}\)
\(\Leftrightarrow4x+2x-1=3x-3\)
\(\Leftrightarrow3x=-2\)
\(\Leftrightarrow x=-\dfrac{2}{3}\)