Math Problem Statement
|7x| + 4 = 11
Solution
The given absolute value equation is:
Step 1: Isolate the absolute value term
First, subtract 4 from both sides of the equation:
Step 2: Solve the absolute value equation
The expression means that can be either 7 or -7. So, we have two cases to consider:
Step 3: Solve for
Case 1:
Case 2:
Final Answer:
The solutions to the equation are:
Would you like more details, or have any further questions?
Related Questions:
- How do you solve absolute value inequalities?
- What happens if the absolute value equation has no solution?
- How would you graph the solution to an absolute value equation?
- How do you solve multi-step equations involving absolute values?
- What are some real-life applications of absolute value equations?
Tip:
When solving absolute value equations, always remember that the expression inside the absolute value can result in two possible cases — one positive and one negative.
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Math Problem Analysis
Mathematical Concepts
Algebra
Absolute Value Equations
Formulas
|a| = b implies a = b or a = -b
Theorems
Absolute Value Properties
Suitable Grade Level
Grades 7-9