Posted by cody on Friday, May 25, 2012 at 11:04am.
abcd is a parallelogram. if ab is equal to 2x+1 and cd is equal to x +13,findx

geometry  MathMate, Friday, May 25, 2012 at 11:36am
If ABCD is a parallelogram, then opposite sides are equal, or AB=CD.
Equate their lengths and solve for x.