Once the equilibrium price is known, you can then use the information to calculate the demand equation. Some diminishing demands are linear and decline at a fixed rate.

Check all formulas from CBSE Class 10 Maths Chapter 3 for revision at the time of examination. You will also get to read all necessary definition and properties related to the system of polynomials.

When solving simultaneous equations with a linear and quadratic equation, there will usually be two pairs of answers.