SubArea: Absolute value equations and inequalitiesLevel: BProject ID: 1003047104Source Problem: 2010008602Accepted: 1Clonable: 1Easy: 0Decide which of the following intervals ensures that the expressions in all the absolute values of the given equation are positive on this interval. |2x+4|+|−x+1|=2x(−2;1)(−2;0)(0;1)(1;∞)