marcoaarmendari
marcoaarmendari marcoaarmendari
  • 13-12-2016
  • Mathematics
contestada

is (5, 4) a solution to this system of equations?
2x + 3y = 23
y + x = 9

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Аноним Аноним
  • 13-12-2016
No because it works for y + x= 9 but not the first one
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