Question

if the mean of x x + 2 X + 4 x + 6 X + 8 is 24 find x

Answer 1

x=2
2 x x = 2x 2=4
4x2 = 8
6x . . . . .
6 x 2 = 12


for 2x + 4x = 12 equ (i)
6x=12 . equ(ii)
Adding equ (i) and (ii)