SOLUTION: The lenghts of the sides of a tringle are consecutive odd numbers. Find the lenghts of the sides if the perimeter is 7cm less than 4 times the shortest sides?

Question 697103: The lenghts of the sides of a tringle are consecutive odd numbers. Find the lenghts of the sides if the perimeter is 7cm less than 4 times the shortest sides?

Answer by unlockmath(1688) (Show Source): You can put this solution on YOUR website!
Hello,
Let x represent an odd number. Next is x+2 and x+4.
Now we can set up an equation as:
x+x+2+x+4=4x-7
Solve:
3x+6=4x-7
Subtract 3x and add 7 to get:
13=x
Now we know the sides are:
13 cm
15 cm
17 cm
Make sense?
RJ
www.math-unlock.com
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