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Best Answer

let the number be 'm' & 'n'

m + n = 17

m - n = 1

Add

2m = 18

m - 18 / 2 = 9

Substituting

9 - n = 1

9 - 1 = n

n = 8

So the two numbers are '8' & '9'.

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lenpollock

Lvl 15
6mo ago
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Wiki User

10y ago

8 and 9.

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Q: What two numbers have a sum of 17 and a difference of 1?
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