[tex] - \frac{11}{36} - ( \frac{7}{18} + ( \frac{11}{2} - \frac{13}{9} )) = [/tex]
[tex] = - \frac{11}{36} - ( \frac{7}{18} + \frac{99 - 26}{18} ) = [/tex]
[tex] = - \frac{11}{36} - ( \frac{7}{18} + \frac{73}{18} ) = [/tex]
[tex] = - \frac{11}{36} - \frac{80}{18} = [/tex]
[tex] = - ( \frac{11}{36} + \frac{80}{18} ) = [/tex]
[tex] = - \frac{11 + 160}{36} = [/tex]
[tex] = - \frac{171}{36} [/tex]
