cottlea01
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PLEASE HELP ME
graph the system of equations below on a piece of paper what is the solution
y=x-1
y=3x+1
A) (1,-2)
B) (-1,-2)
C) (2,1)
D) (-1,-1)

Respuesta :

BasketballEinstein

Answer:

B) [tex](-1, -2)[/tex]

Step-by-step explanation:

3x + 1 = x - 1

-3x - 3x

___________

1 = −2x - 1

+1 + 1

_________

2 = −2x

_ ___

−2 −2

[tex]x = -1[/tex] [Plug this back into both equations above to get the y-coordinate of -2]; [tex]-2 = y[/tex]

I am joyous to assist you anytime.

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