Question

The average of 5,7,9 and x is 8 , Find x

Answer 1

Step-by-step explanation:

5 + 7 + 9 + x / 4 = 8

21 + x = 32

x = 11

Answer 2

Answer:

5+7+9+x/4=8

21+x=32

x=32-21

x=11

Step-by-step explanation:

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