taydarin
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  • 16-02-2017
  • Mathematics
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what is 7n+6=4n-9. can someone help plz

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RAB3202002
RAB3202002 RAB3202002
  • 16-02-2017
7n +6= 4n -9
7n-4n= -6 -9
     3n = -15
        n = -15/3
        n = -5
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