\(\dfrac{1}{6} - \dfrac{4}{5}x = -\dfrac{1}{3} - \dfrac{3}{10}x\)
\(\Leftrightarrow\)\(\dfrac{1}{6} + \dfrac{1}{3} = \dfrac{4}{5}x - \dfrac{3}{10}x\)
\(\Leftrightarrow\)\(\dfrac{1}{2} = \dfrac{1}{2}x\)
\(\Leftrightarrow\)\(x = 1\)
\(\dfrac{1}{6}-\dfrac{4}{5}x=-\dfrac{1}{3}-\dfrac{3}{10}x\)
\(\Rightarrow\) \(\dfrac{4}{5}x+\dfrac{3}{10}x=-\dfrac{1}{3}+\dfrac{1}{6}\)
\(\Rightarrow\) \(\dfrac{11}{10}x=-\dfrac{1}{6}\)
\(\Rightarrow\) \(x=-\dfrac{5}{33}\)