shayna6232 shayna6232
  • 13-04-2020
  • Mathematics
contestada


1) -4x - 2y=-12
4x + 8y = -24

1 4x 2y12 4x 8y 24 class=

Respuesta :

wegnerkolmp2741o
wegnerkolmp2741o wegnerkolmp2741o
  • 13-04-2020

Answer:

x = 6, y= -6

Step-by-step explanation:

-4x - 2y=-12

4x + 8y = -24

Add the two equations together to eliminate x

-4x - 2y=-12

4x + 8y = -24

------------------------

6y = -36

Divide each side by 6

6y/6 = -36/6

y = -6

Now we can find x

4x+8y = -24

4x +8(-6) = -24

4x -48= -24

Add 48 to each side

4x -48+48 = -24+48

4x = 24

Divide each side by 4

4x/4 = 24/4

x =6

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