Question

If 2x, x + 10, 3x + 2 are in A. P. ,find the value of x.

Answer 1

Step-by-step explanation:

A.P is 2x,x+10,3x+2 =a1,a2,a3.......an

Where a1=2x

a2=x+10

a3=3x+2

d=a2-a1=x+10-2x=10-x

d=a3-a2=3x+2-x+10=2x+12

d=d

10-x=2x+12

-x-2x=12-10

-3x=2

x=-3/2