`2x - 1 - (x+2)/6 = (x-1)/4`
`(24x - 12)/12 - (2x+4)/12 = (3x-3)/12`
`-> (22x - 16)/12 = (3x-3)/12`
`-> 22x - 16 = 3x -3`
`-> 19x =13`
`-> x = 13/19`
d) (đề bài)
24x -12 -2(x+2)=3(x-1)
24x-12-2x-4=3x-3
22x-16=3x-3
22x=2x-3+16
22x=3x+13
22x-3x=13
19x=13
x=13/19