Question

[Nguyễn Thị Thu Hằng]

a,\(\frac{1}{3}+\frac{-4}{3}:x=\frac{-5}{6}\)

b, \(\frac{1}{2}x\frac{3}{5}.\left(x-2\right)=3\)

c,\(\left(2-\frac{1}{3}x\right)2018=\left(2-\frac{1}{3}x\right)2020\)