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本文介绍直线方程在解决市场供需平衡问题中的应用. 例1 若某种产品在市场上的供应量Q与价格P之间的关系为P-3Q-5=0,需求量Q与价格P之间的关系为P+2Q-25=0,
This article describes the application of the linear equation to solve the problem of market supply and demand balance. Example 1 If the relationship between supply Q and price P of a product in the market is P-3Q-5 = 0, the quantity of demand Q and price P The relationship between the two is P+2Q-25=0,