Question

the sum of digit of a two digit number is 9 also nine times this number is twice the number obtained by reversing the order of the digits find the number ( class 10)​

Answer 1

Answer:

18 or 81

Step-by-step explanation:

X+y=9--------(1)

9(10y+x)=2(10x+y)

90y+9x=2y+20x

11x-88y=0

X-8y=0---------(2)

X-8y=0

X+y=9

-9y=-9

Y=1

X+y=9

X+1=9

X=8

10x+y=81

10y+x=18

Answer 2

Answer:

hey mate

that's your answer

hope it helps you