27-01-2016
Mathematics

contestada

what are the numbers x+ y = 17 x - y= 7

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Аноним Аноним

27-01-2016

x = 12 and y = 5

I found this out by starting out with x = 10 and y = 7 (because 10 + 7 equals 17), and escalating while trying out every number with both equations.

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