[tex]\bold{a)} \ 0-1,2+x=-3,64 \\ -1,2+x=-3,64 \\ x=-3,64-(-1,2)=-3,64+1,2 \\ \boxed{x=-2,44}; \\ \bold{b)} \ x-(-4,2)=-5,349 \\ x+4,2=-5,349 \\ x=-5,349-4,2 \\ \boxed{a=-9,549}; \\ \bold{c)} \ -4,2x=1,17 \\ x=-\frac{1,17}{4,2} \\ \boxed{x=\frac{39}{175}} \\ \bold{d)} \ -\frac{7}{26} :x=-2\frac{9}{23}=-\frac{55}{23} \\ x=-\frac{7}{26}:(-\frac{55}{23})=\frac{7}{26} \cdot \frac{23}{55} \\ \boxed{x=\frac{161}{1 \ 430}}[/tex]
