Question

A number subtracted from 9 is equal to two times the number , then the number is​

Answer 1

Answer:

let the no. be x

twice of a no. =2x

according to the question-

9-x=2x

9=2x+x

9=3x

9/3=x

3=x

therefore x=3.

Answer 2

Answer:

3

Step-by-step explanation:

let us assume that number as x

said that x is subtracted from 9 so 9-x

result equals to 2x

9-x = 2x

9 = 3x

x=3

the number is 3