Question: In Exercises, solve the given system using the method of Example 3.25. a. 2x + y = - 1 5x + 3y = 2 b.

In Exercises, solve the given system using the method of Example 3.25.
a. 2x + y = - 1
5x + 3y = 2
b. x1 - x2 = 1
2x1 + x2 = 2

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