Question

sum of digits of a two digit number is 9 when the digits are interchanged the new number is greater than the original number by 9 find the original number please give answer in steps ​

Answer 1

Let one's digit = x

And, ten's digit = y

Therefore, number is 10y+x.

According to the question,

x+y=9 ....(1)

Also,

10y+x+27=10x+y

x−y=3 ......(2)

Solving equation 1 & 2, we get,

x=6 and y=3.

Hence, the original number is 10y+x=36.

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Answer 2

Answer:

the answer is so long

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