The problem asks us to solve the equation:

$22 + (-20)$

This is the same as subtracting 20 from 22. To solve this, we perform the following calculation:

$22 - 20 = 2$

So, the solution to the equation is 2.

Answer: The correct option is 2.

Would you like more details, or do you have any further questions?

Here are some related questions you might find helpful:

1. How do you use a number line to solve addition and subtraction problems?
2. What does adding a negative number mean in mathematical operations?
3. How can we use visual tools like number lines to understand integer operations better?
4. What are the rules for adding and subtracting positive and negative numbers?
5. Can you provide more examples of operations involving negative numbers?

Tip: When adding a negative number, it is equivalent to subtracting the absolute value of that number.