Math, asked by TheLoneWolf2008, 2 months ago

The sum of the digits of a two digit number is 3. If we subtract 9 from the number, the digits are interchanged. Find the original number.

Answers

Answered by mundrakol

1

Answer:

21

Step-by-step explanation:

Let unit digit = x

ten's digit = 3-x

Original no. = 30-10x+x

= 30-9x

Reversed no. = 10x +3-x

= 9x +3

30-9x-9 = 9x +3

-18x = -18

x= 1

Original no. = 21

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