Question

Q2. The sum of the digits of a two digit number is 7. the number formed by reversing the digits is
less than the original number by 27, find the original number​

Answer 1

Answer:

hey mate your ans is here

Step-by-step explanation:

Number: xy

X+y= 7

X=7-y

10y+x=10x+y+27

Simplify~

9y=9x+27

9y=9(7-y)+27

9y=63-9y+27

18y=90

y=90/18

y=5

X=7-y

X=2

therefore the number is 25