https://file.aiquickdraw.com/mathbot/file/1728258074329xk7huspm.jpg

In this image, the problem is asking to evaluate \( a + (-b) \) where \( a = 4 \) and \( b = 2 \).

Let’s solve it step by step:

1. The expression is \( a + (-b) \).
2. Substitute \( a = 4 \) and \( b = 2 \) into the expression: 
   \[
   4 + (-2)
   \]
3. Now, evaluate:
   \[
   4 + (-2) = 4 - 2 = 2
   \]

The value of the expression is \( 2 \).

Would you like more details or have any questions?

Here are some related questions you might find useful:
1. How do you handle subtraction of negative numbers?
2. What is the difference between adding and subtracting negative numbers?
3. Can the sign of a number change the outcome of an equation like this?
4. What is the general rule for subtracting a positive number from a negative number?
5. How does the concept of absolute value relate to negative numbers?

**Tip:** When subtracting a number, think of it as adding the opposite.

Solve the equation a + (-b) where a = 4 and b = 2 by substituting values into the expression. Learn the rules of working with negative numbers and their effect on addition.

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