Basic Algebra Concepts

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Equation

Back

A mathematical statement that shows two expressions are equal.

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Variable

Back

A symbol, usually a letter, that represents an unknown value.

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Coefficient

Back

A number multiplied by a variable in an equation.

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Constant

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A fixed value that does not change.

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Term

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A single number, variable, or the product of numbers and variables.

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Expression

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A mathematical phrase that includes numbers, variables, and operation symbols but no equal sign.

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Solution

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The value of a variable that makes an equation true.

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Inverse Operation

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An operation that reverses the effect of another operation.

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One Step Equation

Back

An equation that requires only one operation to solve.

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Two Step Equation

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An equation that requires two operations to solve.