Math Problem Statement
Consider the following inequality:
−2x+4≥−8 Step 1 of 2 : Solve the linear inequality for the given variable. Simplify and express your answer in algebraic notation.
Solution
Let's solve the inequality step by step:
Given inequality:
Step 1: Isolate the term with
First, subtract 4 from both sides of the inequality: This simplifies to:
Step 2: Solve for
Now, divide both sides by . Remember, when dividing or multiplying both sides of an inequality by a negative number, the inequality sign flips:
Final answer:
Let me know if you'd like more details or have any questions!
Here are five related questions to expand your understanding:
- How does the solution change if we reverse the inequality ?
- What happens when multiplying or dividing an inequality by a negative number?
- How would you express the solution on a number line?
- Can you write the solution in interval notation?
- How would you verify if a given value of satisfies the inequality?
Tip: Always flip the inequality sign when multiplying or dividing by a negative number!
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Math Problem Analysis
Mathematical Concepts
Algebra
Linear Inequalities
Formulas
Basic inequality manipulation
Division and multiplication rules for inequalities
Theorems
Inequality theorem (flipping the inequality sign when multiplying or dividing by a negative number)
Suitable Grade Level
Grades 7-9