Question

I think of a number ,i double it,and subtract two.I get nine
What is the number?

Answer 1

8 because i am always right trust me

Answer 2

let the number be x, next perform calculations on it

double : 2x

subtract 2 : 2x - 2

2x - 2 = 9

2x = 9 + 2

x = 11 ÷ 2 = 5.5

so the number is 5.5