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I am a four digit number greater than 3000 but less than 4000
3 _ _ _
My ones digit is 2 more than my thousands digit.
3 _ _ 5
All my other digits are the same
3
5
The sum of my digit is 16.
3 + x + x + 5 = 16
2x + 8 = 16
2x + 8 - 8 = 16 - 8
2x = 8
x = 4
3 4 4 5