Х-(7целых 5/9---5целых 1\6)= -3.5 -(5целых 2/3---- 1.6)-х=6целых 1/3 х-(-4.6+3целых 4/7)=...

1) $x-7 \frac{5}{9} + 5\frac{1}{6} =-3,5$
$x=- \frac{35^{54}}{10} + \frac{68^{60}}{9} - \frac{31^{90}}{6}\\ x= \frac{-1890+4080-2790}{540} \\ x= -\frac{600}{540}\\ x= -\frac{10}{9}$
2) $-(5\frac{2}{3}- 1\frac{6}{10} )-x =- 6\frac{1}{3} \\ - \frac{17}{3} + \frac{16}{10} -x= \frac{19}{3}\\ -x= \frac{19}{3} + \frac{17}{3} - \frac{16}{10}\\ x= -\frac{19^{10} }{3} - \frac{17^{10} }{3} + \frac{16^{3} }{10 } \\ x= \frac{-190-170+48}{30} \\ x= -\frac{312}{30} \\ x= -10.4$
3) $x-(-4 \frac{6}{10} +3 \frac{4}{7} )=-8 \frac{1}{14} \\ x+ \frac{46}{10} - \frac{25}{7} =- \frac{113}{14} \\ x=- \frac{113^{10} }{14} - \frac{46^{14} }{10} + \frac{25^{20} }{7} \\ x= \frac{-1130-644+500}{140} \\ x=- \frac{1274}{140} \\ x=-9.1$