Question

a two digits numbers is 4 more than 6 times the sum of its digit of its digit,if 18 is subreated from the number,the digits are reversed.find the numbersa two digits numbers is 4 more than 6 times the sum of its digit of its digit,if 18 is subreated from the number,the digits are reversed.find the numbers

Answer 1

let xy be the 2 digit no as xy is 2 digit we can represent by 10x+y=xy

(x+y)*6=10x+y-4 =>4x-5y-4=0......(1)

10x+y-18=10y+x. =>x-y-2=0.........(2)

solving 1&2 you will get x=6 and y=4

and the digit is 6*10+4=64