To simplify the expression $3x - 2y + 2x - 7 + 5y$, combine like terms:

1. Group the $x$-terms: $3x + 2x = 5x$
2. Group the $y$-terms: $-2y + 5y = 3y$
3. Combine the constant term: $-7$

The simplified expression is:
$5x + 3y - 7$

Would you like a detailed explanation of each step or have additional questions?

---

Here are 5 related questions you might find useful:

1. How do you simplify expressions with more complex grouping, like $4x^2 + 3x - 2x^2 + x$?
2. What are like terms, and why can only like terms be combined?
3. How would you factorize an expression like $5x + 3y - 7$?
4. Can you substitute values for $x$ and $y$ in $5x + 3y - 7$ to evaluate it?
5. How do coefficients affect the combination of terms in algebra?

Tip: Always identify and group like terms to simplify algebraic expressions efficiently!