sanaebrown sanaebrown
  • 06-03-2022
  • Mathematics
contestada

8x+9y=-28
-4x=y
solve the system by subsitution

Respuesta :

ganjilaya2019
ganjilaya2019 ganjilaya2019
  • 06-03-2022

Answer:

x= 1

y = -4

Step-by-step explanation:

8x + 9y = -28

-4x = y

8x + 9(-4x) = -28

8x - 36x = -28

-28x = - 28

x = 1

y = -4(1) = -4

Answer Link
harinisures13 harinisures13
  • 06-03-2022

Answer:

2

Step-by-step explanation:

8 + 9 = 17

17y = 28

28 / 17 = 1.64

Answer Link

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