7.3 Solving Systems of Equations by Elimination Using Multiplication

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7.3 Solving Systems of Equations by Elimination Using Multiplication

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7.3 Solving Systems of Equations by Elimination Using Multiplication

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Solve by Elimination

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Example Problems

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Practice Problems

- If the coefficients of either variable in the first equation DO NOT match the corresponding coefficients in the second equation:
- Multiply one equation by a number that will make one of the coefficients of a variable match in both equations
- Follow the elimination steps

- An untrue solution identifies and Inconsistent System
- That means the lines won’t cross…

- Page 391
Problems 13-39 (odd)