Also known as "identity". No matter what number is used to replace the unknown contained on both sides of the equal sign in the mathematical equation, the values on both sides will always be equal. Such an equation is called an identity.

Word decomposition

The explanation of constancy is constancy: perseverance. Eternal and unchanging. Permanent teeth. Eternal star. Constant temperature. Conventional: a constant word. Last name. Radical: ladle; The explanation of the equation explains the mathematical terms in detail with the formula of equal sign = connecting two numbers, two formulas or one number and one formula. A formula that represents the equal relationship between two quantities or two expressions, connected by an equal sign =. Such as =, × =+,+=, and so on.