SOLUTION: the sides of a scalene triangle are representing by x,x-1,and x +1.The perimeter of the triangle is 18 inches. What are the lengths of lengths of the 3 sides in inches?

Algebra ->  Triangles -> SOLUTION: the sides of a scalene triangle are representing by x,x-1,and x +1.The perimeter of the triangle is 18 inches. What are the lengths of lengths of the 3 sides in inches?       Log On


   

Question 535308: the sides of a scalene triangle are representing by x,x-1,and x +1.The perimeter of the triangle is 18 inches. What are the lengths of lengths of the 3 sides in inches?
Answer by stanbon(75887) About Me  (Show Source):
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the sides of a scalene triangle are representing by x,x-1,and x +1.The perimeter of the triangle is 18 inches. What are the lengths of lengths of the 3 sides in inches?
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Equation:
x + x-1 + x+1 = 18
3x = 18
x = 6
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side 1: x = 6
side 2: x-1 = 5
side 3: x+1 = 7
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Cheers,
Stan H.
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