Solve Two-Step Equations

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What is a two-step equation?

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A two-step equation is an algebraic equation that requires two operations to solve for the variable.

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How do you isolate a variable in a two-step equation?

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To isolate a variable, perform the inverse operations in reverse order: first undo addition or subtraction, then undo multiplication or division.

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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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In the taxi problem, what is the fixed charge?

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The fixed charge is $3.