Question

FROM THE PAIR OF LINEAR EQUATION IN THE FOLLOWING PROBLEM ,
AND FIND THEIR SOLUTION BY THE ELIMINATION METHOD : 

3. THE SUM OF THE DIGIT OF A TWO DIGIT NUMBER IS 9 . ALSO, NINE TIME THIS NUMBER IS TWICE THE NUMBER OBTAINED BY THE REVERSING THE ORDER OF THE DIGITS. FIND THE NUMBER??

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Answer 1

ANSWER IN THE ATTACHMENT

Answer 2

Answer:

You may go through the attachment...