SOLUTION: the units digit of a two digit number exceeds twice the tens digit by 1. find the number if the sum of its digits is 10
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Question 258138: the units digit of a two digit number exceeds twice the tens digit by 1. find the number if the sum of its digits is 10
Answer by drk(1908) (Show Source): You can put this solution on YOUR website!
We have two equations
(i)
(ii)
by substitution, we get
(iii)
Solving for t, we get
(iv)
(v)
and
The number is 37
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