17 - ( 3 + x  ) + 15 - | - 3 | = 2 

17 - ( 3 + x  ) + 15 - | - 3 | = 2 
| 3 - x  | < 2 
6 < | x - 3 | < 8
( 5 + x ) - ( 15 - 31 ) = - 20