Math, asked by mohammeddastageer20, 6 months ago

the average of n and 4 is equal to average of n, 5 and 7. find n

Answers

Answered by nitugps2011

0

Answer:

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Answered by vinay13893

2

Answer:

12 is your answer

Step-by-step explanation:

( n + 4 ) / 2 = ( n + 5 + 7 ) / 3

3 ( n +4 ) = 2 ( n + 5 +7 )

3n + 12 = 2n + 10 + 14

n = 24 - 12

n = 12

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