falcon93 falcon93
  • 08-06-2016
  • Mathematics
contestada

find the value of y when x equals 1, 9x+7y=-12

Respuesta :

zoeli
zoeli zoeli
  • 08-06-2016
9(1)+7y=-12
9+7y=-12
7y=-12-9
7y=-21
y=-3
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