Solving Systems by Substitution | CodeSignal Learn

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Solving Systems by Substitution

You already know what a system's solution means. Now turn that idea into a dependable skill: solving two-variable systems by substitution. You'll move from ready-made setups to rearranging equations and handling fractions, and learn to choose the cleanest path to each answer.

5 lessons

25 practices

Less than 2 hours

Course details

Substituting Isolated Variables

Choosing the Substitution Step

Complete The Substitution Steps

Back Substitute To Find Value

Explain Substitution Solution

Explain The Balance System

Next Course: Solving Systems by Elimination

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Solving Equations Algebraically

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