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9 terms

coefficient

A number multiplied by a variable.

term

A number, a variable, or the product of a number and a variable

variable

A symbol used to represent a quantity that can change

equation

A mathematical sentence that contains an equals sign.

identity

An equation that is true for all values of the variable.

properties

statements that are true for math i.e. Distributive Property

reciprocal

(mathematics) one of a pair of numbers whose product is 1: the reciprocal of 2/3 is 3/2. Equations - another name is the multiplicative inverse.

infinite solutions

When the variable drops out and you are left with a true statement like 5=5

null set

another word for empty set; when an equation has no solution