SOLUTION: A triangular sail has two sides the same length. The thir side is 9 feet shorter than either of the equal sides. The perimeter of the sail is 63 feet. how long is the shortest s

Algebra ->  Equations -> SOLUTION: A triangular sail has two sides the same length. The thir side is 9 feet shorter than either of the equal sides. The perimeter of the sail is 63 feet. how long is the shortest s      Log On


   

Question 136832: A triangular sail has two sides the same length. The thir side is 9 feet shorter than either of the equal sides. The perimeter of the sail is 63 feet. how long is the shortest side?
I don't know how to set this problem up
I can get the answers - 24, 24 and 15
but how do i set it up in an equation.
Answer by scott8148(6628) About Me  (Show Source):
You can put this solution on YOUR website!
let x="equal sides", so x-9="short side" __ x+x+x-9=63 __ 3x=72