To simplify the expression $13 + (6 + x)$, follow these steps:

Solution:

1. Remove the parentheses by combining like terms: $13 + (6 + x) = 13 + 6 + x$

2. Add the constants $13$ and $6$: $13 + 6 = 19$

3. Include $x$ in the simplified expression: $19 + x$

Final Answer:

$19 + x$

Would you like further clarification or a detailed explanation?

Related Questions:

1. What is the difference between simplifying and solving expressions?
2. How do parentheses affect the order of operations in arithmetic?
3. Can you provide an example where combining like terms is more complex?
4. How would this simplify if $x = 5$?
5. How can distributive property be used in simplifying similar expressions?

Tip:

Always combine constants first before dealing with variables to keep the simplification process systematic.