Math, asked by adityasinha09646, 1 year ago

A number consist of two digits whose sum is 9.if 27 is subtracted from the number,its digits are reversed.find the number​

Answers

Answered by kavita488
1

Step-by-step explanation:

Let thenumberbexandy∴x+y=9.......(1)10x+y−27=10y+x⟹9x−9y=27⟹9(x−y)=27⟹x−y=3........(2)Thatmeanbyadding1and2weobtain,⟹2x=12⟹x=212⟹x=6⟹y=3Sonumberis63answer

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