andreabyrd andreabyrd
  • 11-03-2020
  • Mathematics
contestada

2x+5y=-21 , -2x+3y+-27

Respuesta :

hassanbello2001 hassanbello2001
  • 11-03-2020

Answer:

x=4.5 and y=  -6

Step-by-step explanation:

2x+5y= -21

-2x+3y= -27

add the two equations: 8y= -48

y=-48/8= -6

sub for y in 2x+5y= -21

2x + 5(-6)=-21, 2x-30= -21

2x= -21+30= 9

x= 9/2=4.5

Answer Link
2280291 2280291
  • 03-06-2022

Answer:

x=4.5 and y=  -6

hope it helps!

Answer Link

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