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Solve the following systems by elimination: 2x – y = 1
-2x + 3y = 5

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Mlcparra16id
2x - y = 1 ... [1]
-2x + 3y = 5 ... [2]

[1] + [2]
2x - y = 1
-2x + 3y = 5
     2y = 6
      y = 3

2x - y = 1
2x - 3 = 1
2x = 4
x = 2