Lol I don't understand this, it's a geometry question. Best answer gets brainliest.

Answer:2
Step-by-step explanation:because you are trying to find A-C so that means (9x+8)+(4x-2)=line AC Line Ac also is 3x+26. You set them to equal, getting 13x+6=3x+26 subtract 3x both sides, 26=10x+6 Subtract 6 both sides, 20=10x divide by 10 and you get x=2