Question

If the mean of x, x+2, x+4,x+6, x+8 is 20 then find the value of x​

Answer 1

Step-by-step explanation:

(X +x+2 + x + 4 + x + 6 + x +8)/5=20

5x+20=100

5x=80

X=80/5

X=16

The value of x is 16

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Answer 2

Answer:

x=16

Step-by-step explanation:

mean = sum of all values /total number of values

sum of values =

x+x+2+x+4x+6x+8

5x+20

total number of values=

5

mean =

20

therefore,

5x+20/5=20

5x+20=20×5

5x+20=100

5x=100-20

5x=80

x=80/5

therefore, x=16