Seudónimo Seudónimo
  • 02-12-2020
  • Mathematics
contestada

Solve the system by substitution.

-3x-4y=11

y=2x

Respuesta :

zahavi918 zahavi918
  • 02-12-2020

Answer:

x = -1, y = -2

Step-by-step explanation:

-3x-4y=11

y=2x

Plug in 2x for y:

-3x-4(2x)=11

-3x-8x = 11

-11x = 11

x =-1

Plug in x in y = 2x

y = 2(-1)

y = -2

Answer Link
wagydanielle wagydanielle
  • 02-12-2020

Answer:(-1,-2)

Step-by-step explanation:

Answer Link

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