The equation is .

      (Subtract 7 from each side) \ \

                    (Square each side and eliminate the square roots)

                          (Evaluate power: ) \ \

             (Add 5 to each side) \ \

                           (Divide each side by 3) \ \

\ \

Check:

To check the solution, substitute in .

                              (Evaluate square roots: )

The solution is "false".

There is no solution.