student27 student27
  • 17-08-2016
  • Mathematics
contestada

what's the missing variable for 1/3n+3=-n-2

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dasetka
dasetka dasetka
  • 17-08-2016
[tex] \frac{1}{3} [/tex]n + 3 = -n - 2   Multiply both sides by 3 to cancel out the fraction
  n + 9 = -3n - 6   Add 3n to both sides
4n + 9 = 6   Subtract 9 from both sides
      4n = -3   Divide both sides by 4
        n = [tex]- \frac{3}{4} [/tex]
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