The equation in the image is:

$\frac{a}{x - a} + \frac{b}{x - b} = \frac{a + b}{x - a - b}$

Would you like a step-by-step solution for this equation or any further details?

Here are 5 related questions to extend this:

1. How can this equation be solved for $x$?
2. What happens if $a = b$ in this equation?
3. How can this equation be simplified using algebraic identities?
4. What are the constraints on $x$ so the equation is well-defined?
5. How can this be applied in a real-world context?

Tip: Always check the denominators for restrictions, as they can provide critical insights about the values for which the equation is valid.