SOLUTION: Two sides of an equilateral triangle have lengths 3x+1 and -2x+26. Which of 21-x or 3x-4 could be the length of the third side

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Question 372490: Two sides of an equilateral triangle have lengths 3x+1 and -2x+26. Which of 21-x or 3x-4 could be the length of the third side
Answer by amoresroy(361) About Me  (Show Source):
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Two sides of an equilateral triangle have lengths 3x+1 and -2x+26. Which of 21-x or 3x-4 could be the length of the third side
3x+1 = -2x+26
5x = 25
x = 5
Lenght of any side = 3x+1 = 3(5)+1 = 16
(21-x) is the length of 3rd side