faraterc faraterc
  • 13-12-2020
  • Mathematics
contestada

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

Respuesta :

bkahlshsbdjsdns bkahlshsbdjsdns
  • 13-12-2020

x= 6 and y= -6

Step-by-step explanation:

Answer Link
crystivia
crystivia crystivia
  • 13-12-2020

Answer:

x = 6, y = -6

Step-by-step explanation:

After adding the equations together, the 4x and -4x cancel each other out. This makes our new equation:

6y = -36

Divide both sides by 6

y = -6

Plug -6 into y in one of the equations

4x + 8y = -24   =

4x + 8(-6) = -24   =

4x - 48 = -24

Add 48 to both sides

4x = 24

Divide both sides by 4

x = 6

Answer Link

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