kdav9988 kdav9988
  • 12-07-2016
  • Mathematics
contestada

Solve 7x + 5y = 14 using matrices.
4x + 3y = 9

Respuesta :

trankieuoanh164
trankieuoanh164 trankieuoanh164
  • 12-07-2016
28x+20y =14*4 = 56
28x + 21y = 9*7 =56
 => y=0, x = 2

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