Let A be between B and C. Use the segment addition postulate to solve for w.

BA = 7w − 12

AC = 6w − 14

2 answers

jasmine
BA + AC = BC
7w-12 + 6w-14 = BC
13w-26 = BC

Now you need to know what BC is to find w. I suspect that BC is a multiple of 13, no?