Mitzy1
Mitzy1
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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