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Equation - Wikipedia, the free encyclopedia
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Equation
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This article is about equations in mathematics. For the chemistry term, see
chemical equation.
The first use of an equals sign, equivalent to 14x+15=71 in modern notation. From The Whetstone of Witte by
Robert Recorde (1557).
An equation is a In modern notation, this is written by placing the expressions on either side of an
equals sign (=), for example
asserts that x+3 is equal to 5. The = symbol was invented by
Robert Recorde (1510?1558), who considered that nothing could be more equal than parallel straight lines with the same length.
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