Adding and Subtracting One Step Equations

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What is an inverse operation?

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An inverse operation is an operation that reverses the effect of another operation. For example, addition and subtraction are inverse operations.

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Subtract 4 from both sides of the equation.

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Subtract 18 from both sides.

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What does it mean to 'solve for x'?

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To 'solve for x' means to find the value of x that makes the equation true.

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What is the purpose of using inverse operations in equations?

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Inverse operations are used to isolate the variable and solve the equation.