Basic Algebra Concepts

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Two-step equations

Back

An equation that involves two different operations and a variable.

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Operation

Back

An action that is performed on numbers or variables, such as addition, subtraction, multiplication, or division.

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Variable

Back

A letter or symbol that represents an unknown value.

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Solve

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To find the value of an unknown in an equation.

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Linear equations

Back

Equations that form a straight line.

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Non-linear equations

Back

Equations that do not form a straight line.

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Inverse operations

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Two operations that undo each other, or are the opposite of one another (for example: addition and subtraction).

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Isolate the variable

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To get the variable by itself on one side of an equation to find its value.

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Equation

Back

A number sentence that contains an equal sign and shows two quantities have the same value.

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Algebraic Equation

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A number sentence that contains an equal sign and at least one variable, showing that two quantities have the same value.