Think of a number.
Multiply it by 5.
Now add 7 to the result.
Take away the number you first thought of.
Now add 8.
Subtract 6.
Add back the number you first thought of.
Now, close your eyes.
Dark, isn't it?
Multiply it by 5.
Now add 7 to the result.
Take away the number you first thought of.
Now add 8.
Subtract 6.
Add back the number you first thought of.
Now, close your eyes.
Dark, isn't it?