meyaemerson1 meyaemerson1
  • 30-11-2016
  • Mathematics
contestada

bob gets 3n+2=20 as the final row of his magic number puzzle table. what was his starting number?

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bobthebuilder7 bobthebuilder7
  • 30-11-2016
3n+2=20
     -2   -2
3n=18
divide by 3 
n=6
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