Question

8. If 2x, x+10, 3x+2 are in Arithmetic progression, then find the value of x.​

Answer 1

it are in ap so 1st term + 3 rd term / 2 is 2 nd term by this formula u find x

as 2x + 3x+2 /2 = x +10

so 5x +2 = 2x + 20

3x = 18

so x = 3

Answer 2

d=a2-a1-----------(1)
also
d=a3-a2---------(2)
using (1)and(2)
a2-a1=a3-a2
x+10-2x=3x+2-x-10
3x=18
x=6

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