Try this magic of number

Scientific Memes
1
  1. Think a number
  2. Double it / multiple with 2
  3. Add 6
  4. Half it / division with 2
  5. Minus it from the first number you think
  6. Your answer is 3

\underline{Example}
I think my number is 26
So, \{\cfrac{(26×2)+6}{2}\}-26
\implies\{\cfrac{52+6}{2}\}-26
\implies{29-26}
\implies3

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2

It’s a basic algebra. To be honest every time I assume x as a number.

3

My number is "n".

According to the formula, we get-

\frac{2n+6}{2} -n

=\frac{2n}{2} + \frac{6}{2} -n

=n+3-n

=\fbox{3}

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