Math Problem Statement
What is the solution set of the equation |3x - 5| = |-2x - 15|?
Solution
The equation in the image is:
To solve this, we need to consider the properties of absolute values. When solving equations with absolute values, we must account for two cases:
Case 1: The expressions inside the absolute values are equal.
Solve for :
- Add to both sides:
- Add 5 to both sides:
- Divide by 5:
Case 2: The expressions inside the absolute values are negatives of each other.
Simplify the right-hand side:
Solve for :
- Subtract from both sides:
- Add 5 to both sides:
Conclusion:
The solution set is , which matches option B.
Would you like further details or clarifications? Here are five related questions:
- How do absolute values affect the structure of equations?
- Can you explain how to solve absolute value inequalities?
- What are the general steps for solving an equation with multiple absolute values?
- What happens if an absolute value equation has no solution?
- Can absolute value equations have infinitely many solutions?
Tip: Always break absolute value equations into cases to handle both positive and negative scenarios.
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Math Problem Analysis
Mathematical Concepts
Algebra
Absolute Value Equations
Formulas
|A| = |B| implies A = B or A = -B
Theorems
Properties of Absolute Values
Suitable Grade Level
Grades 8-10