\"\"

\

Observe the data:

\

Let \"\" be a number.

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\"\"                                 (Multiply \"\" by ten)

\

\"\"                         (Subtract \"\" from \"\")

\

\"\"                      (Divide \"\" by \"\")

\

\"\"                (Add \"\" to the \"\")

\

\"\".

\

The new number is twice the original number.

\

\"\"

\

\"\".