Math Problem Statement

State all integer values of x in the interval [-3, 3] that satisfy the following inequality: -5x + 8 < 14

Solution

We are given the inequality:

5x+8<14-5x + 8 < 14

and we are tasked with finding the integer values of xx in the interval [3,3][-3, 3] that satisfy this inequality.

Step 1: Solve the inequality

Start by isolating xx:

5x+8<14-5x + 8 < 14

Subtract 8 from both sides:

5x<148-5x < 14 - 8

5x<6-5x < 6

Now, divide both sides by 5-5, remembering to flip the inequality sign (since dividing by a negative reverses the inequality):

x>65x > \frac{6}{-5}

x>1.2x > -1.2

Step 2: Find integer values in the interval [3,3][-3, 3]

We are looking for integer values of xx that are both greater than 1.2-1.2 and within the interval [3,3][-3, 3]. The integers greater than 1.2-1.2 and less than or equal to 3 are:

x=1,0,1,2,3x = -1, 0, 1, 2, 3

Final Answer:

The integer values of xx that satisfy the inequality are:

x=1,0,1,2,3x = -1, 0, 1, 2, 3

Do you need more details on this? Here are five related questions you can explore:

  1. How do you solve inequalities that involve multiplying or dividing by negative numbers?
  2. What happens to the inequality sign when you divide by a negative number?
  3. How do you graph solutions of inequalities on a number line?
  4. Can you explain the importance of integer constraints in inequality problems?
  5. How do you handle compound inequalities with multiple conditions?

Tip: Always remember to flip the inequality sign when dividing or multiplying both sides of an inequality by a negative number.

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Math Problem Analysis

Mathematical Concepts

Algebra
Inequalities

Formulas

Linear inequality manipulation

Theorems

Rule: Flip inequality when dividing by a negative

Suitable Grade Level

Grades 7-9