SOLUTION: Two sides of a triangle have the same length. The third side measures 7m less than twice the common length. The perimeter of the triangle is 13m. What are the lengths of the three

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Question 391812: Two sides of a triangle have the same length. The third side measures 7m less than twice the common length. The perimeter of the triangle is 13m. What are the lengths of the three sides?
Answer by rfer(16322) About Me  (Show Source):
You can put this solution on YOUR website!
2x+2x-7=13
4x=20
x=5
2x-7=3