Posted by **bob** on Saturday, February 9, 2008 at 4:13pm.

The perimeter of the polygon below is 9x-1. Find the expression for the missing side length.

There are 5 expressions: 3x-4, x-5, x+1, 2x+3, and ?. I got ?=2x-6. I added all the equation and minus it from 9x-1.

- math -
**Alex**, Saturday, February 9, 2008 at 4:24pm
2x+4

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