Math Problem Statement
Which number line best represents the solution to the inequality -4x + 29 > 19?
Solution
To solve the inequality , follow these steps:
-
Isolate the variable :
Start by subtracting 29 from both sides:
-
Solve for :
Divide both sides by , and remember to reverse the inequality sign since you're dividing by a negative number:
The solution to the inequality is .
Number Line Representation:
On a number line, the solution would be represented as all values to the left of , with an open circle at to indicate that itself is not included in the solution.
Do you need more details or have any questions?
Here are 5 related questions:
- How do you represent inequalities graphically on a number line?
- What happens to the inequality sign when dividing by a negative number?
- Can you explain when to use open or closed circles on a number line?
- What are some real-life applications of inequalities?
- How would you solve a similar inequality with a greater or equal sign?
Tip: Always remember to flip the inequality sign when multiplying or dividing by a negative number.
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Math Problem Analysis
Mathematical Concepts
Algebra
Inequalities
Number Line Representation
Formulas
Basic inequality solving: ax + b > c
Theorems
Rule of reversing inequality when dividing by a negative number
Suitable Grade Level
Grades 6-8