`2 . (x + 3) - 60 = 20`
`=> 2 . (x + 3) = 20 + 60`
`=> 2 . (x + 3) = 80`
`=> x + 3 = 40`
`=> x = 40 - 3`
`=> x = 37`
`85 - 5 . (x + 5) = 25`
`=> 5 . (x + 5) = 85 - 25`
`=> 5 . (x + 5) = 60`
`=> x + 5 = 12`
`=> x = 12 - 7`
`=> x = 5`
`125 - 3 . (x + 1) = 5`
`=> 3 . (x + 1) = 125 - 5`
`=> 3 . (x + 1) = 120`
`=> x + 1 = 40`
`=> x = 40 - 1`
`=> x = 39`
`97 - 2 . (x + 2) = 27`
`=> 2 . (x + 2) = 97 - 27`
`=> 2 . (x + 2) = 70`
`=> x + 2 = 35`
`=> x = 35 - 2`
`=> x = 33`
