SOLUTION: if x+3, 3x-4, 2x+4 are in AP, find the value of x

Question 977802: if x+3, 3x-4, 2x+4 are in AP, find the value of x
Found 2 solutions by Boreal, richwmiller:
Answer by Boreal(15235) (Show Source): You can put this solution on YOUR website!
(3x-4)-(x+3)=2x-7
that equals 2x+4-(3x-4)=-x+8
The distance between each is the same.
set the two differences equal, and 2x-7=-x+8
3x=15
x=5
the numbers are 8,11, and 14.
Answer by richwmiller(17219) (Show Source): You can put this solution on YOUR website!
2x+4-(3x-4)=3x-4-(x+3)
2x+4-3x+4=3x-4-x-3
-x+8=2x-7
15=3x
x=5
check
x+3, 3x-4, 2x+4
8,11,14
difference is 3

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