Iassumethat you mean (x+a)/(x-c) + (x+c)/(x-a)=2

If so:

1. Multiply both sides of the equation by (x-c)(x-a). You'll get:

2. Expand the brackets:

3. Collect like terms. Move all terms containing x to the LHS, all terms with constants to the RHS:

4. Divide by the leading factor of x: