Question

the sum of digit of a two digit no is 3. if 9 is added to the no,it's digits are reversed. find the number.......pls answer fast​

Answer 1

Answer:

Step-by-step explanation:

x+(3-x)=3

digits: 10x,3-x

10x + 3-x+9 = 30-10x+x

10x-x+10x-x = 30-3-9

18x=18

x=18/18

x=1

thus,x=1

the orginal number: x=1, 3-x = 3-1 = 2

12 is the number

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