SOLUTION: 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
what is a the right way to answer this
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what is a the right way to answer this
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Question 264643: 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
what is a the right way to answer this Answer by palanisamy(496) (Show Source):
You can put this solution on YOUR website! Let the two digit number be xy.
Given, units digit of a two-digit number exceeds twice the tens digit by 1
y = 2x+1 ...(1)
Also, x+y = 10 ...(2)
(1)-(2)=> -x = 2x+1-10
-x-2x = -9
-3x = -9
x = (-9)/(-3)
x = 3
(1)=> y = 2*3+1 = 7
So, the number is 37