0
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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Earn +20 ptsQ: What two numbers have a sum of 17 and a difference of 1?
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