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  • 01-11-2018
  • Mathematics
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6n+9=-3n-21-6
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giselhdz15
giselhdz15 giselhdz15
  • 01-11-2018

6n + 9 = -3n -21 -6

6n + 9 = -3n -27

   +3n    +3n

9n +9 = -27

    -9    -9

9n = -36

Divide by 9 on both sides

n = -4

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