pt \(\Leftrightarrow3x+\left(\frac{2}{3}-2x\right)=\frac{1}{2}\left(\frac{4x}{3}-2\right)+\frac{3}{4}\)
\(\Leftrightarrow x+\frac{2}{3}=\frac{2x}{3}-\frac{1}{4}\)
\(\Leftrightarrow\frac{x}{3}=-\frac{11}{12}\)
\(\Leftrightarrow x=-\frac{11}{4}\)
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