SOLUTION: One side of a triangle is half the longest side. The third side is 17 feet less than the longest side. The perimeter is 78 feet. Find all three sides

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Question 508811: One side of a triangle is half the longest side. The third side is 17 feet less than the longest side. The perimeter is 78 feet. Find all three sides
Answer by rfer(16322) About Me  (Show Source):
You can put this solution on YOUR website!
x+2x+2x-17=78
5x=95
x=19
2x=38
2x-17=21