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Single Variable Expressions

Use symbols and operations to understand and define variables.

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Single Variable Expressions

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Algebraic Expression

An expression that has numbers, operations and variables, but no equals sign.


To evaluate an expression or equation means to perform the included operations, commonly in order to find a specific value.


An expression is a mathematical phrase containing variables, operations and/or numbers. Expressions do not include comparative operators such as equal signs or inequality symbols.

Variable Expression

A variable expression is a mathematical phrase that contains at least one variable or unknown quantity.

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