Question

The sum of two digit number and the number obtained by interchanging its digits is 19

Answer 1

Let the no. be 10x + y

reverse no. = 10y + x

Sum = 10x + y + 10y + x

99 = 11x+ 11y

99 = 11(x+y)

9 = x + y

x - y = 3

x + y = 9

2x = 12

x = 6

6 - y = 3

y = 3

Original no. = 10x + y = 60 + 3 = 63

Reverse no. = 10y + x = 30 + 6 = 36

pls mark brainliest

Answer 2

Let take the ones digit=x

tens digit =y

10x+y

by interchanging

Let take the ones digit=y

tens digit=X

10y+X

the sum of two digit number and number obtained by interchanging its digit is 19.....

$10x + y + 10y + x = 19$

$11x + 11y = 19$