jlwhite102106 jlwhite102106
  • 01-03-2021
  • Mathematics
contestada

Solve the system by substitution. y = 6x – 20
y = -4x ​

Respuesta :

moonowl95014 moonowl95014
  • 01-03-2021

Answer:

(2, -8)

Step-by-step explanation:

y=6x-20

y=-4x

since the bottom equation shows us that y=-4x, we can substitute 4x in place of y in the first equation and solve:

-4x=6x-20

-10x=-20

x=2

since the bottom equation shows y=-4x, and we already know that x=2:

y=-4(2)

y=-8

(2, -8)

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