jazminestrada45 jazminestrada45
  • 30-11-2018
  • Mathematics
contestada

Solve by the substitution method
X-7y=-47, -6x-8y=-18

Respuesta :

StudyDavid
StudyDavid StudyDavid
  • 30-11-2018

Answer:

x is -5 ; y is 6

Step-by-step explanation:

x=-47+7y

-6x-8y=-18


-6(-47+7y)-8y=18

y=6


x=-47+7*6

x=-5

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