math
posted by anonymous .
supply and demand: for a certain commodity the supply equation is given by S=2p+5
at a price o $1, there is a demand for 19 units of the commodity. If the demand equation is linear and the market price is $3, find the demand equation
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For a certain commodity the supply equation is given by S=2p+5 At a price of $1,there is a demand for 19units of the commodity.If the demand equation is linear and the market price is $3,find the demand equation?