Solving Linear Equations in One Variable

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What is a linear equation in one variable?

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How do you isolate a variable in a linear equation?

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To isolate a 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 'balance' an equation?

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Balancing an equation means performing the same operation on both sides to maintain equality.

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What is the principle of equality in solving equations?

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The principle of equality states that if two expressions are equal, adding or subtracting the same value from both sides keeps them equal.