Expressions, Equations, and Inequalities

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latex="x + 7 > 12">

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Example of an inequality

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Inequality

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A letter used to represent a number or unknown value

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variable

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latex="3x + 5">

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Example of an expression

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mathematical statement showing two expressions are equal, using an equals sign

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Equation

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latex="2y - 4 = 10">

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Example of an equation

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Expression

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Inequality

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combination of numbers, variables, and operations without an equals sign

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Expression

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Expression