Tìm x:

\(a,\dfrac{17}{2}-\left(2x\dfrac{-3}{4}\right)=\dfrac{-7}{4}\)

\(b,\left(\dfrac{3x}{7}+1\right):\left(-4\right)=\dfrac{-1}{28}\)

\(c,3\left(3x-\dfrac{1}{2}+\dfrac{1}{9}\right)=0\)

\(d,\dfrac{1}{2}x+\dfrac{2}{3}\left(x-1\right)=\dfrac{1}{3}\)

\(e,\dfrac{1}{3}x+\dfrac{2}{3}\left(x-1\right)=0\)

\(a,-\dfrac{2}{7}.\left(\dfrac{5}{13}-\dfrac{9}{15}\right)-\dfrac{2}{7}.\dfrac{8}{13}\)

\(b,\dfrac{1}{10}.\dfrac{4}{11}+\dfrac{1}{10}.\dfrac{8}{11}-\dfrac{1}{10}.\dfrac{1}{11}\)

\(c,\left(\dfrac{19}{68}-\dfrac{11}{22}+\dfrac{16}{31}\right).\left(1-\dfrac{1}{2}-\dfrac{1}{2}\right)\)

\(d,\left(1-\dfrac{1}{2}\right).\left(1-\dfrac{1}{3}\right).\left(1-\dfrac{1}{4}\right)...\left(1-\dfrac{1}{2010}\right)\)

\(\dfrac{2}{5}-\dfrac{5}{7}.\dfrac{14}{25}\)

\(-9\dfrac{1}{3}.\dfrac{5}{9}+\left(-9\dfrac{1}{3}\right).\dfrac{4}{9}-0,5\)

\(\left(0,7+3\dfrac{1}{5}\right):\dfrac{1}{8}+75\%\)

\(\left(4-\dfrac{5}{12}\right):3+\dfrac{7}{36}\)

\(1,25:\dfrac{15}{20}+\left(25\%-\dfrac{5}{6}\right):4\dfrac{2}{3}\)