SOLUTION: If x+3,3x-4,2x+4 are in AP.Find the valve of x.

Algebra ->  Sequences-and-series -> SOLUTION: If x+3,3x-4,2x+4 are in AP.Find the valve of x.      Log On


   

Question 855825: If x+3,3x-4,2x+4 are in AP.Find the valve of x.
Answer by richwmiller(17219) About Me  (Show Source):
You can put this solution on YOUR website!
x+3,3x-4,2x+4
2x+4-(3x-4)=(3x-4)-(x+3)
x = 5
2x+4=c (3x-4)=b,(x+3)=a,
c = 14, b = 11, a = 8
difference is 3
add 3