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...Math section linear equations price demand supply simple interest equation practice problems versus quantity demanded several companies make a inch plasma hdtv right now they sell for an average of but what if the goes up then consumer will decrease down increase depends on symbols p is selling tv d number tvs in thousands sold related to as follows can you see how below reects relationship we are interested pairs and written that satisfy this such pair called solution should charge want thousand one million increases does change represent all solutions graph why it straight point above represents situation where some other ways write would tell us solved terms theequation example two variables hdtvs willing produce more them at higher so also which these case s again measured match description many once with moreover use answer questions about...