SOLUTION: Solve simplify if possible? (9d)/(5d-15) + (7d)/(15d-45) Can you please show me step by step? Thank you

Algebra ->  Polynomials-and-rational-expressions -> SOLUTION: Solve simplify if possible? (9d)/(5d-15) + (7d)/(15d-45) Can you please show me step by step? Thank you       Log On