Question

the difference in the digits of a two digit number is 1. If the digits are interchanged, the new number comes 9 more than the old number. Find the number ?​

Answer 1

Answer:

Numbers are 4 & 5

Step-by-step explanation:

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Answer 2

10y+ x= 10x+y + 9

Step-by-step explanation:

let x and y represent the tens and unit place of a number such that