Question

Find the value of X for which (8x+4), (6x-2)&(2x+7) are IN A. P

Answer 1

find your answer in the photo

Answer 2

Here is your answer :-

let , a = 8x+4

b = 6x-2

c = 2x+7

We know that ,

b = a+c/2

6x-2 = 8x+4 + 2x+7 /2

6x-2 = 10x + 11 /2

12x - 4 = 10x +11

12x - 10x = 11+4

2x = 15

x = 7.5