Question

the sum of the digit of a two digit number is 12. if the new number formed by reversing the digit is greater than the original number by 18 ,find the ​

Answer 1

Answer:

57

Step-by-step explanation:

let the number is xy

$x + y = 12 \\ the \: new \: number \: is \: yx \\ 10y + x - 10x - y = 18 \\ y - x = 2 \\ because \: after \:r eversing \: y \: goes\: to \:tens \: place \\ by \: solving \: equations \: we \: get \\ x = 5 \: and \: y = 7$

therefore the number is 57

if u satisfied with my answer

plz mark my answer as a brainliest