SOLUTION: A certain number two-digit number has a value that is three times the sum of its digits. The units digit is one more than three times the tens digit. Find the number.
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Question 926134: A certain number two-digit number has a value that is three times the sum of its digits. The units digit is one more than three times the tens digit. Find the number. Answer by lwsshak3(11628) (Show Source):
You can put this solution on YOUR website! A certain number two-digit number has a value that is three times the sum of its digits. The units digit is one more than three times the tens digit. Find the number.
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let u=units digit
let t=tens digit
u=3t+1
..
10t+u=3(u+t)
10t+u=3u+3t
10t+3t+1=3(3t+1)+3t
13t+1=9t+3+3t
t=2
u=3t+1=7
number: 27
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