MoreBrains MoreBrains
  • 17-05-2017
  • Mathematics
contestada

3n+8=20 i need help i think it is algerbra

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IzabellaTheDragon
IzabellaTheDragon IzabellaTheDragon
  • 17-05-2017

turn the problem around

20-8=12

12/3=4

Your answer is 4.

Answer Link
linaa13
linaa13 linaa13
  • 17-05-2017
3n+8=20
8+3n=20
3n=20+-8
3n=12
n=4
Ver imagen linaa13
Answer Link

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