Math Problem Statement

solve for absolute inequality: 4x-7/4 < or equal to 1/3

Solution

To solve the absolute inequality 4x7413\frac{4x - 7}{4} \leq \frac{1}{3}, follow these steps:

Step 1: Eliminate the denominator

To eliminate the denominator of 4 on the left-hand side, multiply both sides of the inequality by 4:

4×4x744×134 \times \frac{4x - 7}{4} \leq 4 \times \frac{1}{3}

This simplifies to:

4x7434x - 7 \leq \frac{4}{3}

Step 2: Isolate the variable

Now, add 7 to both sides of the inequality to move the constant to the other side:

4x43+74x \leq \frac{4}{3} + 7

We need to convert 7 into a fraction with denominator 3:

7=2137 = \frac{21}{3}

Now add the fractions:

4x43+213=2534x \leq \frac{4}{3} + \frac{21}{3} = \frac{25}{3}

Step 3: Solve for xx

Next, divide both sides by 4 to isolate xx:

x2534=2512x \leq \frac{\frac{25}{3}}{4} = \frac{25}{12}

Thus, the solution is:

x2512x \leq \frac{25}{12}

Final Answer:

The solution to the inequality is x2512x \leq \frac{25}{12}.


Would you like more details or further explanation on any step?

Here are 5 related questions:

  1. How do you solve absolute inequalities involving two terms?
  2. What happens if the inequality has a negative sign?
  3. Can absolute inequalities have multiple solutions?
  4. How do you convert improper fractions to mixed numbers?
  5. How do you graph an inequality on a number line?

Tip: Always remember to reverse the inequality when multiplying or dividing both sides by a negative number.

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Math Problem Analysis

Mathematical Concepts

Algebra
Inequalities
Fractions

Formulas

Inequality solving formula: ax + b ≤ c
Fraction operations: converting and adding fractions

Theorems

Properties of inequalities
Fraction arithmetic rules

Suitable Grade Level

Grades 8-10