SOLUTION: The order pair (1, -2) is a solution of the following system: x + y = -3 x - y = 1

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Question 568350: The order pair (1, -2) is a solution of the following system:
x + y = -3
x - y = 1
Answer by richard1234(7193) About Me  (Show Source):
You can put this solution on YOUR website!
No it's not...if you replace x = 1, y = -2 into the equations, both of them are false.