Math Problem Statement
−∣2−x∣+4≥−9
Solution
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Math Problem Analysis
Mathematical Concepts
Algebra
Absolute Value Inequalities
Formulas
|A| ≤ B implies -B ≤ A ≤ B
Dividing an inequality by a negative number reverses the inequality sign
Theorems
Absolute Value Inequality Theorem
Suitable Grade Level
Grades 8-10