3) `-5/6 - 1/3 x = - | 1/3|`
`-1/3 x = -1/3 + 5/6`
`-1/3 x = 1/2`
`x= 1/2 : (-1/3)`
`x=-3/2`
4) `5/7 + 2/3 x = - |-1/3|`
`2/3 x = -1/3 - 5/7`
`2/3 x= -22/21`
`x= -22/21 : 2/3`
`x=-11/7`
5) `-1 1/3 - 1/2 x = -(-1/2)`
`-4/3 - 1/2 x = 1/2`
`-1/2 x = 1/2 + 4/3`
`-1/2 x= 11/6`
`x= 11/6 : (-1/2)`
`x=-11/3`