\(\Leftrightarrow x-2x=\dfrac{1}{3}+\dfrac{6}{4}\) \(\Leftrightarrow-x=\dfrac{11}{6}\) \(\Leftrightarrow x=-\dfrac{11}{6}\) Vậy ..Câu trả lời: \(\Leftrightarrow x-2x=\dfrac{1}{3}+\dfrac{6}{4}\) \(\Leftrightarrow-x=\dfrac{11}{6}\) \(\Leftrightarrow x=-\dfrac{11}{6}\) Vậy ..