Math Problem Statement
solve the inequality. Write your answer using interval notation. |2 − x| − 4 ≥ −3
Solution
The inequality to solve is:
Step 1: Isolate the absolute value
Add to both sides to isolate the absolute value expression:
Step 2: Solve the absolute value inequality
Now, we solve the inequality .
Recall that the absolute value inequality can be rewritten as two inequalities: So, for our case:
Step 3: Solve each inequality
1.
Subtract 2 from both sides: Multiply by and reverse the inequality sign:
2.
Subtract 2 from both sides: Multiply by and reverse the inequality sign:
Step 4: Combine the solutions
The solution is or . In interval notation, this is:
Final Answer:
Would you like more details on any step or further questions? Here are some related questions for further practice:
- How do you solve inequalities involving two absolute values?
- What is the graphical interpretation of absolute value inequalities?
- How do you approach solving for and ?
- Can absolute value inequalities ever have no solution?
- What are the key differences between solving and ?
Tip: When solving absolute value inequalities, remember to break them into two cases, reflecting the positive and negative possibilities of the expression inside the absolute value.
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Math Problem Analysis
Mathematical Concepts
Absolute Value
Inequalities
Algebra
Formulas
Absolute value inequality |A| ≥ B can be rewritten as A ≥ B or A ≤ -B
Theorems
Properties of Absolute Value Inequalities
Suitable Grade Level
Grades 9-11