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What is a linear equation in one variable?

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How do you isolate the variable in a linear equation?

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To isolate the variable, you perform inverse operations to both sides of the equation until the variable is alone on one side.

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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 that make the equation true.

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How do you check if your solution to an equation is correct?

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Substitute the solution back into the original equation to see if both sides are equal.

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