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Let's solve the equation \( 2x + 12 = 20 \).

### Step-by-step solution:
1. **Subtract 12 from both sides**:
   \[
   2x + 12 - 12 = 20 - 12
   \]
   \[
   2x = 8
   \]

2. **Divide both sides by 2**:
   \[
   \frac{2x}{2} = \frac{8}{2}
   \]
   \[
   x = 4
   \]

### The solution set:
The solution set \( S \) is \( \{4\} \).

Do you have any questions or would you like more details? 

Here are 5 related questions you can explore:
1. How can you solve linear equations with more than one variable?
2. What are the different methods to solve a system of linear equations?
3. Can you explain the concept of a solution set in more detail?
4. How would this change if there were an inequality instead of an equation?
5. What is the role of balancing both sides when solving equations?

**Tip**: Always double-check your solution by substituting it back into the original equation to verify!

The solution set of the equation 2x + 12 = 20 is?

Learn how to solve the linear equation 2x + 12 = 20. Follow a step-by-step process to find the solution set S = {4}. This problem is suitable for students in Grades 6-8, and covers key algebraic concepts such as equation balancing and isolating variables.

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