asapduron asapduron
  • 22-09-2016
  • Mathematics
contestada

-3(2n - 5) = 1/2 (-12 + 30)

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alur0113874
alur0113874 alur0113874
  • 22-09-2016
-6n+15=-6+15
-6n=-6
n=1
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