ScreamNiaaa ScreamNiaaa
  • 08-04-2015
  • Mathematics
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solve the system


x - 2y = -6
3x + y = -4

Respuesta :

eu99li
eu99li eu99li
  • 08-04-2015


{x-2y=-6

{3x+y=-4     /*2

{x-2y=-6

{6x+2y=-8     (+)

7x=-14    /:7

x=-2

3x+y=-4

3*(-2)+y=-4

-6+y=-4

y=2

Solution:  (-2; 2)

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