SubArea: Absolute value equations and inequalitiesLevel: CProject ID: 1003162903Source Problem: 2010008604Accepted: 1Clonable: 1Easy: 0Find the sum of all the roots of the given equation. \[ \bigl| |x-4|-2\bigr|=0 \]\( 8 \)\( 12 \)\( 4 \)\( 6 \)
