1003187003 Level: BSimplifying the expression |3x−9|−|9−3x|+|−3x|−|−9| for x∈[3;9] you get:3x−9−3x+99x−273x+9
1003187001 Level: BLet x∈(−∞;−4]. The value of the expression ||x|−4|−2|x−4|+|10−x| is equal to:−2−626
1003124207 Level: BOn the real number line, the distance of a number x from the number −4 is given by:|x+4||x−4||4x||x|+4
1003124205 Level: BAssuming x∈(4;7), the expression |x−4|−|x−7| can be written in the form:2x−11−2x+113−11
1003124204 Level: BLet x≠0. Complete the following sentence to get a true statement. The solution set of the inequality |x|x>2does not contain any integer.contains 2 integers.contains only natural numbers.contains infinitely many integers.