Question

the sum of the digits of a two numbers is 5. on adding 27 to the number its digits are reversed. find the original number.​

Answer 1

Answer:

original number= 14

Step-by-step explanation:

unit digits = x

ten digits = y

x+y=5_______eq1

10y+x+27=10x+y

9y-9x= -27

x-y= 3_______eq2

eq1+eq2

x+y+x-y=5+3

2x=8

x=4

put x=4 in eq1

x+y=5

4+y=5

y=5-4

y=1

original number= 14