Question: Find the augmented matrices of the linear systems in Exercises 1-3. 1. x - y = 0 2x + y = 3 2. 2x1 +

Find the augmented matrices of the linear systems in Exercises 1-3.
1. x - y = 0
2x + y = 3
2. 2x1 + 3x2 - x3 = 1
x1 + x3 = 0
-x1 + 2x2 - 2x3 = 0
3. x + 5y = - 1
-x + y = - 5
2x + 4y = 4

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