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. It typically involves addition or subtraction followed by multiplication or division.

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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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Add 1.3 to both sides to isolate the term with b.

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What does it mean to 'undo' an operation in algebra?

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To 'undo' an operation means to perform the opposite operation. For example, the opposite of addition is subtraction.

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What is the purpose of using inverse operations in solving equations?

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Inverse operations are used to isolate the variable and simplify the equation step by step.

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What is the importance of checking your solution in an equation?

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Checking your solution ensures that the value satisfies the original equation, confirming its correctness.