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