SOLUTION: A triangle has 3 sides. 3x +7, 4x - 9, 5x + 6. What is the expression that represents its perimeter?
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Question 56978: A triangle has 3 sides. 3x +7, 4x - 9, 5x + 6. What is the expression that represents its perimeter?
Answer by rchill(405) (Show Source): You can put this solution on YOUR website!
To calculate the perimeter, just add up all the sides: 3x+7+4x-9+5x+6. Now combine like terms to get 12x+4.
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