Two sides of a triangle have the same lenght. The third side measures 3 m less than twice the common length. The perimeter of the triangle is 25 m. What are the lengths of the three sizes?

Please write the problem solution in the solution text box; do not attach files.

Also, do not post short title without the actual solution (to be appended later). Post the answer right away. I need the answers with all the steps (including equations) shown. Do not include the Problem text before your answer unless you are quoting it in the answer you provide. Thanks!