paigetracy237 paigetracy237
  • 25-01-2022
  • Mathematics
contestada

solve by substitution
x=1+6y, x+2y=9

Respuesta :

1208darsh 1208darsh
  • 25-01-2022

x = 1 + 6y

x = 9 - 2y

1 + 6y = 9 - 2y

8y = 8

y = 1

x = 8

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