megablastoise14 megablastoise14
  • 11-08-2019
  • Mathematics
contestada

The system of linear equations -2y+ y = 8 and -3x -y=7 is graphed below. What is the solution to the system of equations?

Respuesta :

Gasaqui
Gasaqui Gasaqui
  • 23-08-2019

Answer:

x= 1/3

y = -8

Step-by-step explanation:

-2y+ y = 8 equation 1

-3x -y =7 equation 2

using equation 1 we have:

-2y+ y = 8

-y = 8

y = -8 equation 3

using equation 3 in equation 2 we have:

-3x -y=7  

-3x -(-8)=7  

-3x +8 =7

-3x = 7-8

-3x = -1

x= 1/3

Answer Link
vidalmari6p99qfk
vidalmari6p99qfk vidalmari6p99qfk
  • 23-08-2019

Answer:

x=1/3       y= -8

step explanation:

-2y+y=   8 then -y=8          y= -8

-3x-(-8) =7

-3x +8 =7

-3x=-1

x=1/3          y= -8

Answer Link

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