Question

If the mean of 8, 4, x and 5 is 9,the value of x is​

Answer 1

Answer:

6

8+4+6+x+2+7

=5

⇒x+27=30

⇒x=3.

Answer 2

Answer:

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Step-by-step explanation:

8+4+6+x+2+7

=5

⇒x+27=30

⇒x=3.