Math Problem Statement
−∣2−x∣+4≥−9
Solution
We are given the inequality:
Let's solve it step by step:
Step 1: Isolate the absolute value expression
Start by moving to the other side:
Now, divide both sides of the inequality by . Remember that dividing by a negative number reverses the inequality sign:
Step 2: Solve the absolute value inequality
The general solution for an absolute value inequality of the form is:
So, we can rewrite the inequality:
Step 3: Solve for
Now, solve the inequality for . First, subtract from all parts of the inequality:
Next, divide the inequality by , reversing the inequality signs:
This simplifies to:
Final Answer:
The solution to the inequality is:
This means can take any value between and , inclusive.
Would you like further details or clarifications?
Here are 5 related questions for further practice:
- Solve .
- Solve .
- Solve .
- Solve .
- Solve .
Tip: Always remember that dividing or multiplying an inequality by a negative number reverses the inequality sign.
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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