SOLUTION: I am a number subtract me from twelve and get nine, who am i.

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Question 572757: I am a number subtract me from twelve and get nine, who am i.
Answer by mathsmiles(68) About Me  (Show Source):
You can put this solution on YOUR website!
I am a number, X
Subtract me from 12 ...
12-X
and get 9
12-X = 9
Add X to both sides of the equation
12 = 9+X
Subtract 9 from both sides of the equation
3 = X

You are the number 3!

Check:
12-3 = 9 Check!