HeartlessKaisha
HeartlessKaisha HeartlessKaisha
  • 09-07-2019
  • Mathematics
contestada

what is the solution to the system of equations y= -3x+6 y=9
A (-21,9)
B (9,-21)
C (-1,9)
D (9,-1)​

Respuesta :

gmany
gmany gmany
  • 19-07-2019

Answer:

C. (-1, 9)

Step-by-step explanation:

[tex]\left\{\begin{array}{ccc}y=-3x+6\\y=9\end{array}\right\ \text{put the value of}\ y\ \text{to the first equation}\\\\9=-3x+6\qquad\text{subtract 6 from both sides}\\3=-3x\qquad\text{divide both sides by (-3)}\\-1=x\to x=-1[/tex]

Answer Link
emmysjewelry
emmysjewelry emmysjewelry
  • 03-12-2020

Answer:

Its C. (-1,9)

Step-by-step explanation:

I just took the quiz on edge

Answer Link

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