Question

the addition of two numbers are 24..second number is two times to first number find the both number

Answer 1

Let the first no. be x
therefore,
second no.=2x

x+2x=24
3x=24
x=8
2x=16

Answer 2

Let the 1st number be 'x'
and the second number be 'y'
..
Now, according to the question,y=2x_eq.1
and x+y=24_eq.2
Putting eq.1 in eq.2
--->x+2x=24
--->3x=24
--->x=8
...
Hence,the numbers are 8 and 16.