Math Problem Statement

5x - 4 is greater than or equal to 2x + 11. Enter the simplified inequality in the box.

Solve the inequality and graph the solution.

Solution

Let's solve the inequality step by step.

Given Inequality:

5x42x+115x - 4 \geq 2x + 11

Step 1: Subtract 2x2x from both sides to get all the terms involving xx on one side.

5x2x4115x - 2x - 4 \geq 11 3x4113x - 4 \geq 11

Step 2: Add 4 to both sides to isolate the term with xx.

3x11+43x \geq 11 + 4 3x153x \geq 15

Step 3: Divide both sides by 3 to solve for xx.

x153x \geq \frac{15}{3} x5x \geq 5

Final Answer:

The simplified inequality is x5x \geq 5.

Graphing the Solution:

On a number line, plot a closed circle at x=5x = 5 (because \geq includes 5), and shade the region to the right of 5 to represent all numbers greater than or equal to 5.


Do you want more details or have any questions?

Here are 5 related questions:

  1. How would the inequality change if the original expression were 5x4>2x+115x - 4 > 2x + 11?
  2. How do you graph the solution if the inequality is x>5x > 5 instead of x5x \geq 5?
  3. What would the solution be if the inequality was 5x42x+115x - 4 \leq 2x + 11?
  4. How can you check if your solution to the inequality is correct?
  5. How does solving inequalities differ from solving equations?

Tip: When solving inequalities, remember that multiplying or dividing both sides by a negative number reverses the inequality sign.

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Math Problem Analysis

Mathematical Concepts

Inequalities

Formulas

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Theorems

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Suitable Grade Level

Grades 7-9