|8 + x| + 4 < - (10 - |6 - 9·x|)
|8 + x| + 4 < |6 - 9·x| - 10
Fall 1: x < - 8
- (8 + x) + 4 <= (6 - 9·x) - 10
x < 0
Fall 2: -8 <= x <= 2/3
(8 + x) + 4 < (6 - 9·x) - 10
x < -1.6
Fall 3: x >= 2/3
(8 + x) + 4 < - (6 - 9·x) - 10
x > 3.5
Lösungszusammenfassung: x < -1.6 ∨ x > 3.5