Question

a two digit number is such that the product of its digit is 12 when 9 is added to the number the digit interchange their place then the number is​

Answer 1

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Answer 2

Answer:

Step-by-step explanation:

XY=12

y=12/X......(1)

(10x+y)+9=10y+X

9x-9y=9

x-y=1......(2)

Solve this equation