thoresener
thoresener thoresener
  • 29-01-2017
  • Mathematics
contestada

6x−4y=−24
4x−8y=−32

What is the ordered pair for both of them?

Respuesta :

luzser1800 luzser1800
  • 29-01-2017
Multiply the first equation by -2 to eliminate a variable so it becomes:
-12x+8y=48
4x-8y=-32
Add them together.
-8x=16
x=-2
Plug it in one equation.
6(2)-4y=-24
12-4y=-24
-4y=-12
y=3
Ordered pair is: (-2,3)
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