The expression $(x+2) + (y+3)$ can be simplified by removing the parentheses, as there are no like terms to combine:

$(x + 2) + (y + 3) = x + y + 5$

So, the simplified expression is:

$x + y + 5$

Would you like more details or have any further questions?

Here are 5 related questions for practice:

1. Simplify $(a + 4) + (b + 6)$.
2. Simplify $(3x + 1) + (2y - 5)$.
3. Expand and simplify $(x + 2)(y + 3)$.
4. Combine like terms in the expression $2x + 3y + 5x - 4y$.
5. Solve the equation $x + 2 + y + 3 = 10$ for $x$ and $y$.

Tip: Always check for like terms or common factors when simplifying expressions to ensure accuracy.