If (u, v) satisfies ax + by = c, then au + bv = c. Multiplying by non-zero k gives kau + kbv = kc. Reversing this by dividing by k proves both share identical solutions.
Class 9 Maths Ganita Manjari New Book Part 2 Solutions
Class 9 Maths Ganita Manjari Part 2 Chapter 13 Question Answer