﻿ Definition of equation - What it is, Meaning and Concept - I want to know everything - 2020

# Equation

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According to experts in Math , a equation (concept derived from Latin aequatio) constitutes a equality where it appears at least an unknown that demands to be revealed by who solves the exercise. It is known as members to each of the expressions algebraic that allow to know the data (that is, the values ​​already known) and the unknowns (the values ​​that have not been discovered) linked through various mathematical operations. It should be noted that the data included in an equation can be numbers , constants, coefficients or variables . The unknowns, meanwhile, are represented by letters that replace the value you are trying to find.

A simple equation is as follows:

4 + x = 9

In that equation, 4 and 9 are the data, while x It is the unknown. The equation can be solved as follows:

4 + x = 9
x = 9 - 4
x = 5

He value of the unknown, therefore, is 5 .

In the field of ChemistryOn the other hand, equation is understood as the expression that, symbolically, represents a chemical reaction. With it, then, it is possible to indicate the relative quantities of both reactants and products.

In the field of astrology Likewise, an equation is characterized as the difference that follows from the comparison of the average movement with the displacement true or apparent of a star.

Finally, it should be noted that the term equation is used in everyday language to refer to formulas or calculations that involve different variables. For example: “If I buy a new car for \$ 30,000 and they don't get me at work, the equation won't work”, "The equation, in my opinion, is simple: you should give up your current position, invest the money you have saved and open your own company".

E = mc2 Without doubt, the most famous and misunderstood equation is that of the Theory of Relativity, by Albert Einstein, who represents a huge step for science 20th century Despite not having developed the concept of relativity in the first place, his work tried to show that the speed of light is constant if it is in a vacuum.

Basically, physicists divide the Theory of Relativity into two distinct parts or versions: the Special, which studies the possible relativity of inertia and movement, as well as the repercussions of the conjectured by Einstein, and the general, which focuses on particle acceleration and radically questions Newton's theory, since it predicts different results for bodies that move at high speeds, that have a large volume, or both.

While the latter can faithfully reproduce all the predictions proven in Newtonian theory, it brings the understanding of some of its basic principles to new Horizons. For example, Newton had developed that gravity worked in an empty space, although he did not delve into reasons for the distance and the mass of a certain object could be transmitted through it. In this case, Einstein's vision helps to solve the paradox, demonstrating that the movement persists in a straight line, although it is observed by us as acceleration, since the space-time relationship has a curved nature.

In recent times, both parts of the Theory have been proven to a very high degree, since they have served to corroborate countless important predictions, such as that of the solar eclipse, which proposes that the sun deflects light from the stars when it approaches it while heading towards Earth.

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