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torisob
[31]
3 years ago
5
if the sum of the digits of a two-digit number is 7and the tens digit is one more than the ones digit, find the number.
Mathematics
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1
answer:
Aleks
[24]
3 years ago
3
0
Set the ones digit to x. 2x+1=7, so 2x=6, so x=3.
x+1 is the tens digit, so the tens digit is 4 and the number is 43.
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