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Helen Christiansen

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3y ago
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12y ago

(1) x+y=8

(2) x-y=2

Adding (1) and (2) x+y+x-y = 2x = 10 so x=5 and y=3 from (1) for instance

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Q: What are the order pairs for x plus y equals 8 and x - y equals 2?
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