Tìm x:
\(\dfrac{2}{3}x-\dfrac{5}{6}-\dfrac{3}{4}=\dfrac{2}{3}\\ \dfrac{2}{3}x-\dfrac{5}{6}=\dfrac{2}{3}+\dfrac{3}{4}\\ \dfrac{2}{3}x-\dfrac{5}{6}=\dfrac{17}{12}\\ \dfrac{2}{3}x=\dfrac{17}{12}+\dfrac{5}{6}\\ \dfrac{2}{3}x=\dfrac{9}{4}\\ x=\dfrac{9}{4}:\dfrac{2}{3}\\ x=\dfrac{27}{8}.\)