1. **State the problem:** Simplify the expression $x + 527$. 2. **Understand the expression:** This is a simple algebraic expression consisting of a variable $x$ and a constant $527$ added together. 3. **Simplification:** Since there are no like terms to combine (variables with variables or constants with constants), the expression is already in its simplest form. 4. **Final answer:** The simplified expression is: $$x + 527$$ This expression represents a linear expression in $x$ with a constant term $527$.