Giải phương trình: 1/4.x - 1/3 = -5/9

1/4*x-1/3=_5/9
11/12-[2/5-x]=3/4
|x+1/3|-4=-1
x:3=y:5va x-y=-4
x:5=y:4=Z:3vax-y=3
x:y:z:t=2:3:4:5va X+y+z+t=-42
x/2=y/3;y/5=z/4va x-y+z=-49
x/2=y/3;y/4=z/5vax+y-z=10
[1/3x]:2/3=1/3/4:2/5
8:[1/4x]=2:0,02
(x-2013)^2014=1