Question

The digits of a two digit number differ by three. If the digits are interchanged and the resulting number is added to the original number we get 143. What can be the original number?

Answer 1

Step-by-step explanation:

let the digits be x and y,

A.T.Q.,

x-y=3...............1

yx+xy =143.....................2

FROM EQ. 1 WE GET,

x=y+3

NOW,PUTTING VALUE OF X IN EQ. 2

y*y+3+y+3*y=143

AND NOW BY SOLVIG YOU WILL GET THE ANSWER