Question

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

Answer 1

Step-by-step explanation:

A number consists of two digit.

whose sum is 9.if 27 is

subtracted from the number

its digits are reverted, find

the number. is 36

Answer 2

Step-by-step explanation:

Let us assume, x and y are the two digits of the two-digit number

Therefore, the two-digit number= 10x + y and reversed number= 10y + x

Given:

x + y= 9 --------------1

also given:

10x+y-27= 10y+x

9x-9y= 27

x-y= 3 -------------2

Adding equation 1 and equation 2

2x= 12

x=6

Therefore, y= 9-x= 9-6=3

The two-digit number= 10x+y= 10*6+3= 63

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