\"\"

\

The given values are \"\".

\

\"\"                                 (Inverse variation equation)

\

\"\"                      (Substitute \"\")

\

\"\"                             (Multiply: \"\")

\

\"\"                        (Divide each side by 21)

\

\"\"                                  (Cancel common term)

\

\"\"                                       (Divide: \"\")

\

\"\"                     (Multiply each side negative one)

\

\"\"                                        (Product of two same signs is positive)

\

\"\" when \"\".\"\"

\

The value of \"\".