Kindly answer the questions below with honesty and sincerity

C. Leon Walras's concepts: 8. Understand and explain that general equilibrium exists when the market is cleared at a positive price with all decision-making units also in coinciding equilibrium. 9. Explain and acquire a better comprehension of the Excess Demand Approach to General Equilibrium. 10. Grasp the idea that there will be no excess demand or excess supply in any market in the economy when the economy is in equilibrium. And explain it