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 a System of Linear Equations in Two Variables - Problem 5

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Solving a System of Linear Equations in Two Variables - Problem 4

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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Substitution is a technique for solving by getting one variable by itself in one equation, and substituting the resulting expression in to the other equation. This creates only one equation with only one variable. Use substitution if you see a coefficient of one in either of your original equations.

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