Alissa Fong

MA, Stanford University
Teaching in the San Francisco Bay Area

Alissa is currently a teacher in the San Francisco Bay Area and Brightstorm users love her clear, concise explanations of tough concepts

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Solving Equations - one variable term - Problem 1

Alissa Fong
Alissa Fong

MA, Stanford University
Teaching in the San Francisco Bay Area

Alissa is currently a teacher in the San Francisco Bay Area and Brightstorm users love her clear, concise explanations of tough concepts

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Our first step in isolating a variable is to "undo" any addition or subtraction using the opposite operation. It is mathematically valid as long as we do the same operation to both sides of the equation. Once all of the addition and subtraction is gone, we want to undo what's being done to x using either multiplication or division. Once you have your variable isolated, check your work by substituting your answer back into the original equation.

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