peebles1 peebles1
  • 12-09-2015
  • Mathematics
contestada

what is 8(n-4)-4n =8-n equal to

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ihavenoidea4567
ihavenoidea4567 ihavenoidea4567
  • 12-09-2015

8(n-4)-4n=8-n

8n-32-4n=8-n

     +32.    +32

8n-4n=40-n

-4n

4n=40-n

+n         +n

5n=40

__.  __

5.     5

n=8

Answer Link
faizu
faizu faizu
  • 12-09-2015
 8(n-4)-4n =8-n=> 8n-32-4n=8-n
=> 8n-4n-32-8+n = 0
=> 4n-40 +n= 0
=> 5n-40= 0
=> n=40/5
=>n = 8

Hope it helps !!!

Answer Link

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