\(\dfrac{-7}{12}+\dfrac{11}{8}-\dfrac{5}{9}=\dfrac{-7}{12}+\dfrac{59}{72}=\dfrac{17}{72}\) \(\dfrac{1}{7}-\dfrac{8}{7}:8-3:\dfrac{3}{4}.\left(-2\right)^2=\dfrac{1}{7}-\dfrac{1}{7}-4.4=\left(-16\right)\) \(\dfrac{1}{4}.\dfrac{15}{49}-\left(\dfrac{4}{5}+\dfrac{2}{3}\right):\dfrac{11}{5}=\dfrac{15}{49}-\dfrac{22}{15}:\dfrac{11}{5}=\dfrac{15}{49}-\dfrac{2}{3}=\dfrac{-53}{147}\)
\(\dfrac{-11x}{12}+\dfrac{3}{4}=\dfrac{1}{6}\Leftrightarrow\dfrac{-11x}{12}=\dfrac{1}{6}-\dfrac{3}{4}\Leftrightarrow\dfrac{-11x}{12}=\dfrac{-7}{12}\Leftrightarrow-11x=-7\Leftrightarrow x=\dfrac{7}{11}\)