Solving Equations

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What is an equation?

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An equation is a mathematical statement that asserts the equality of two expressions, typically containing variables.

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What does it mean to solve an equation?

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To solve an equation means to find the value(s) of the variable(s) that make the equation true.

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Subtract 11 from both sides.

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How do you isolate a variable in an equation?

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You perform inverse operations to both sides of the equation to get the variable by itself.

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Add a to both sides and subtract 20 from both sides.

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What is an inequality?

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An inequality is a mathematical statement that compares two expressions and shows that one is greater than, less than, or not equal to the other.

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