Question

a number consists of two digits the sum of the digits is 12 if 36 is subtracted from the number the digits change their places find the number​

Answer 1

Answer:

Step-by-step explanation:

Let x be unit digit and y be one's

ATQ x+y=12.....(1)

And 10x+y-36=10y+x

10x-x+y-10y=36

9x-9y=36

Taking 9 as common we get,

x-y=4......(2)

By solving equation 1 n 2

We get,

x=8

y=4

Answer 2

Step-by-step explanation:

Let x be unit digit and y be one's

ATQ x+y=12.....(1)

And 10x+y-36=10y+x

10x-x+y-10y=36

9x-9y=36

Taking 9 as common we get,

x-y=4......(2)

By solving equation 1 n 2

We get,

x=8

y=4

(x,y) = (8,4)

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