desirjeanpierre
desirjeanpierre desirjeanpierre
  • 05-02-2017
  • Mathematics
contestada

Solve by the additon method: 2x+8y=25 1st over 3x+5y=9 2st

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CarlosD17 CarlosD17
  • 05-02-2017
6x + 24y = 75
-6x - 10y = -18
14y = 57
y = 4.1
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