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System of Linear Equations with 2 Variables

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1. Solve by graphing

3y - 3x = 9
x - y = 1

2. solve by substitution and determine whether equations are independent, dependent, or inconsistent

7y = 9x
-3x = 4y

3. solve by substitution method
x + 6y = -2
5x - 20y = 5.

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Solution Summary

This posting contains the solution to the given system of linear equation problems.

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