The expression \( x + x \) can be simplified by combining the like terms. Since both terms are \( x \), the sum is:

\[
x + x = 2x
\]

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Here are 5 related questions you might find useful:
1. What happens when we combine \( 3x + 2x \)?
2. How do you simplify algebraic expressions?
3. What is the difference between combining like terms and solving equations?
4. How do you solve \( 2x = 10 \) for \( x \)?
5. Can you apply the distributive property to expressions like \( x + x \)?

**Tip**: Always look for like terms in an algebraic expression to simplify it before solving.

Explore how to simplify the algebraic expression x + x by combining like terms, a fundamental concept in algebra. The solution simplifies the expression to 2x, with related questions to enhance understanding. Suitable for students in Grades 6-7.

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