The sum of $1 + 1$ is $2$.

Would you like details or have any questions about this? Here are some other questions you might find interesting:

1. How do I solve this algebra equation: $2x + 3 = 7$?
2. What is the derivative of $f(x) = 3x^2 + 2x + 1$?
3. Can you help me understand how to factorize the quadratic equation $x^2 - 5x + 6$?
4. How do I find the integral of $\int (2x^3 + x^2) \, dx$?
5. What is the solution to the system of equations:

3x + 2y = 6 \\ x - y = 4 \end{cases}$$ **Tip:** Practice makes perfect in math. Regularly solving problems helps reinforce concepts and improves problem-solving skills.