The equation presented in the image is:

$-28 + (-26)$

To solve this:

1. Add the two negative numbers together: $-28 + (-26) = -28 - 26 = -54$

Thus, the solution to the equation is:

$-28 + (-26) = -54$

Would you like a more detailed explanation or have any questions?

Here are 5 related questions to consider:

1. How do you add and subtract negative numbers?
2. What happens when you add two negative numbers together?
3. What is the result of adding a negative number and a positive number?
4. How does subtraction of negative numbers differ from addition?
5. Can you represent this on a number line for better understanding?

Tip: When adding negative numbers, think of it as moving further to the left on the number line.