Basic information.
The use of distinguishing equations, it allows us to have a clearer explanation, of how obtaining an analytical and graphic solution, of the above mentioned equations; taking in account, in the majority of the cases in the equations of supply and demand, they are determined by linear equations. Also we have the case, of the use of the formula of the second grade, which serves us to give solution, clearing the terms up to leaving the independent "X".
In reference to the law of demand; it consists, when the consumers buy or it demands goods and services to the biggest possible quantity, at the minor price; and the law of offer consists, of offering the biggest possible quantity of goods and services at the biggest possible price. As soon as. to the balance of market; this one happens, when there cross two curves of demand and offer, this owes that it comes to a point of the market, that the quantity offered as goods and services is an equal demanded quantity, under a level of price of balance.
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