What is Equation? What is an equation and what is an equation

Equality. 1.Conception.

Formulas containing equal signs are called equations. Equations can be divided into contradictory equations and conditional equations. Add (or subtract) the same integer to both sides of the equation at the same time.

Either both sides of the equation are multiplied or divided by the same non-0 integer, or both sides of the equation are multiplied at the same time, and the equation still holds. The form is to connect two equal numbers (or numbers represented by letters) with "=".

Identity. identities), a mathematical concept, an identity is an equation that always holds no matter how its variables are valued.

2.Basic nature.

Property 1 adds (or subtracts) the same integer to both sides of equation at the same time, and the equation still holds.

If a=b, then a+c=b+c

The equation still holds if both sides of the property 2 equation are multiplied or divided by the same non-0 whole at the same time.

If a=b, then there is a·c=b·c

or a c = b c (c≠0).

Property 3: If a1 = a2, a2 = a3, a3 = a4 ,......an=an, then a1=a2=a3=a4=......=an

3.Significance. The property of the equation is to solve the equation.

Many of the methods of solving equations are based on the properties of equations. For example, the property of equation 1 is used; The denominator is removed, and the properties of the equation 2 are applied.

When using the nature of the equation and involving division, it is necessary to pay attention to the divisor after the conversion.

It can't be 0, otherwise it's meaningless.

4.Inequality.

In general, use a pure greater than sign.

, less than sign. Connected inequalities are called strict inequalities and are marked with no less than or equal to the sign (greater than or equal to the sign.

Inequalities connected by "no greater than (less than or equal to)" are called non-strict inequalities, or generalized inequalities. In general, with the inequality sign (<, the connecting formula is called an inequality.

Usually the numbers in inequalities are real numbers, and letters also represent real numbers, and the general form of inequality is f(x,y,......z)≤g(x，y，……z) (where the unequal sign can also be <, one of them), a parsed public domain on both sides.

A domain of definition called an inequality, which can represent both a proposition and a problem.

A formula that indicates that two formulas on the left and right sides are equal is called an equation. Equations with unknowns are called equations.

On the left and right sides of the equation, you can add or subtract the same number, and the left and right sides of the equation are still equal.

Sometimes, we multiply or divide the same number on the left and right sides of the equation (but the divisor cannot be zero), and the left and right sides of the equation are still equal.

I hope I can help you with your doubts.

The equation is the number on the left and right sides of the equal sign, regardless of addition, subtraction, multiplication and division, the final result is the same.

Formulas containing equal signs are called equations. Equations can be divided into contradictory equations and conditional equations. The equation still holds when both sides of the equation are added to (or subtracted) the same integer, or both sides of the equation are multiplied or divided by the same non-0 integer, or both sides of the equation are multiplied at the same time.

The form is to connect two equal numbers (or numbers represented by letters) with "=".

The meaning of the equationThe meaning of the equation is to show that the two equations are equal. The specific meaning is that two conditions are required to form an equation, one is that there must be two formulas, and the other is that the two formulas must be equal in size, that is, they are the same size. If these two conditions are satisfied, these two equations can form an equation.

For example, five plus three and six plus two can form the equation five plus three equals six plus two, because both equations have a value of eight. The equation refers to the formula listed when performing the calculation of the number or algebraic formula, and the equation expresses the equality relationship.

Formulas containing equal signs are called equations. Equations can be divided into contradictory wheel-based equations and conditional equations. The same integer is added (or subtracted) on both sides of the equation at the same time, or both sides of the equation are multiplied or cracked divided by the same non-0 integer, or both sides of the equation are multiplied at the same time, and the equation is still true.

The form is to connect two numbers (or numbers represented by letters) with "=".

Nature 1

The same integer is added (or subtracted) on both sides of the equation at the same time, and the equation still holds.

If a=b, then a+c=b+c

Nature 2

Multiply or divide both sides of the equation by the same non-0 integer, and the equation still holds.

If a=b, then there is a·c=b·c

or a c = b c (c≠0).

Nature 3

The equation is transitive.

If a1 = a2, a2 = a3, a3 = a4 ,......an=an, then a1=a2=a3=a4=......an

In mathematics, the equation refers to the formula listed when performing the calculation of numbers (or algebraic formulas), including the number (or the letters of the number of generations) and the operation symbols (four operations, multiplication, square, factorial, permutation and combination, etc.).

In mathematics, the equation that contains an equal sign is called an equation.

1. The formula containing the equal sign is called the equation. Equations can be divided into contradictory equations and conditional equations.

2. The equation is to add (or subtract the forest cavity) to both sides of the equation at the same time, or to multiply or divide by the same non-0 integer on both sides of the equation, or to multiply the left and right sides of the equation at the same time, and the equation is still valid. The form is to connect two equal numbers (or numbers represented by letters) with "=".

1. The equation with the equal sign is called the equation. Equations can be divided into contradictory equations and conditional equations. The equation still holds when the same integer is added (or subtracted) on both sides of the equation, or when both sides of the equation are multiplied or divided by the same non-zero integer, or when both sides of the equation are multiplied at the same time.

The form is to connect two equal numbers (or numbers represented by letters) with "=".

2. Identities, a mathematical concept, an identity is an equation that always holds the equation no matter how its variables are valued.

Equations containing equal signs are called equations, and equations can be divided into contradictory equations and conditional equations. If the same integer is added (or subtracted) on both sides of the equation at the same time, or the same non-0 integer is multiplied or divided by both sides of the equation at the same time, the value of the equation does not change.

Example: 1+2=3

The square of 9 minus ab is equal to the square of 9 minus the square of b.

Explanation of the equation.

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Equities (=) to connect two numbers, two formulas, or one number to one formula Explain mathematical terms in detail. A formula that expresses the equality relationship between two sliding quantities or two expressions, and is joined by an equal sign ( ). Such as x 2, 3 2 3 3, y 1 5, etc.

Explanation of word decomposition etc. ě Ancient refers to Dunqi bamboo slips (books). The number, degree of the same, or the status of the general high: equal.

Equal. Amount. Equate.

Equivalent. Equal to the same amount . Indicates the level of the source or degree of the quantity key concession:

Grade. etc. Ranking.

And so on. Refers specifically to the steps of the stairs. Species, Class:

Such things. Expression of the same generation Expression ì The appearance of the shape of the object: Style.

Style. Specific Specifications: Format.

Program. Ceremonies, ceremonies with specific contents: the opening ceremony.

Parade. A set of symbols in the natural sciences that indicate certain relationships or laws: molecular formulas.

Formula. Formula. A grammatical category that indicates the speaker's perception of what is being said.