Test Review- Equations and Inequalities

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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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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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This is a linear equation where you can solve for the variable d.

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How do you isolate a variable in an equation?

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To isolate a variable, you perform inverse operations to get the variable alone on one side of the equation.

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The solution is d = 7.5.

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The solution is t = 5.

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This is a linear equation that can be solved for the variable n.

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The solution is n = 3.

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This is a linear equation where you can solve for the variable x.