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The perimeter of the front face of a prism is 88 feet. The side lengths of the front face are 2x feet, (4x + 8) feet, 2x feet, and (4x + 8) feet. What is the value of x?

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W0lf93
The perimeter of the front face of the prism = 88 feet. 
The front face of a prism is a two-dimensional figure. 
The side lengths are 2x feet, 4x+8, 2x feet, and 4x+8 feet. 
Since both the opposite sides of the face are equal, it is a rectangle.  
The perimeter is the sum of all the sides of the rectangle. 
2x+(4x+8)+2x+(4x+8) = 88 feet 
12x +16 =88 
12x = 88-16 
12x = 72 
x = 72/12 
x=6 feet
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