\(a,x+\dfrac{11}{4}=\dfrac{17}{3}\\ x=\dfrac{17}{3}-\dfrac{11}{4}\\ x=\dfrac{17.4-11.3}{12}\\ x=\dfrac{35}{12}\\ b,x-\dfrac{9}{5}=\dfrac{23}{7}\\ x=\dfrac{23}{7}+\dfrac{9}{5}\\ x=\dfrac{23.5+9.7}{35}\\ x=\dfrac{178}{35}\\ c,x.\dfrac{7}{2}=\dfrac{19}{4}\\x=\dfrac{19}{4}:\dfrac{7}{2}\\ x=\dfrac{19}{14}\\ d,x:\dfrac{8}{3}=\dfrac{13}{3}\\ x=\dfrac{13}{3}.\dfrac{8}{3}\\ x=\dfrac{104}{9} \)