puperluck puperluck
  • 19-03-2020
  • Mathematics
contestada

-6x+4y=-4 -6x+2y= 4 solve for x and y

Respuesta :

ghanami
ghanami ghanami
  • 20-03-2020

Answer:

Step-by-step explanation:

hello :  -6x+4y=-4....(*)

          -6x+2y= 4...(**)

by (*) : -6x= -4y-4

by(**) : -6x = -2y+4

so :   -4y-4=-2y+4

     -2y = 8

y=-4

put this value in (*) : -6x+4(-4)= - 4

-6x=16-4=12

x=-2

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