Math Problem Statement

Solve the inequality: (a - 2)/3 > a + 4

Solution

The inequality in the image is:

a23>a+4\frac{a - 2}{3} > a + 4

Let's solve this inequality step by step.

Step 1: Eliminate the denominator by multiplying both sides by 3.

a2>3(a+4)a - 2 > 3(a + 4)

Step 2: Distribute the 3 on the right side.

a2>3a+12a - 2 > 3a + 12

Step 3: Get all terms involving aa on one side by subtracting aa from both sides.

2>2a+12-2 > 2a + 12

Step 4: Isolate the term involving aa by subtracting 12 from both sides.

14>2a-14 > 2a

Step 5: Solve for aa by dividing both sides by 2.

7>a-7 > a

Or equivalently,

a<7a < -7

Solution:

The solution to the inequality is a<7a < -7.

Would you like more details, or do you have any questions?

Here are some related questions to deepen your understanding:

  1. What happens if the inequality were a23a+4\frac{a - 2}{3} \geq a + 4?
  2. Can you explain why multiplying by 3 didn't reverse the inequality?
  3. How would the steps differ if we had 2a3>a+4\frac{2 - a}{3} > a + 4?
  4. Can you solve the inequality graphically to visualize the solution?
  5. What if the inequality involved absolute values, like a23>a+4\frac{|a - 2|}{3} > a + 4?

Tip: Always check if multiplying or dividing by a negative number during inequality solving reverses the inequality sign!

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Math Problem Analysis

Mathematical Concepts

Algebra
Inequalities
Linear Equations

Formulas

Distributive Property
Solving Inequalities

Theorems

Basic Properties of Inequalities
Operations with Inequalities

Suitable Grade Level

Grades 8-10