Solution: Drag "-" to the side and then tap on 4 to make "-4".
The Unbeatable Game - IQ (TUG) Level 104 Walkthrough, Solution, Answer, Cheats for Android, iPhone, iPad, iPod.
Note: This is "The Unbeatable Game - IQ" by "Architect Games LLC"
Is your level different? Check the Main Index Page for all the answers in one place.