jaygang34 jaygang34
  • 26-05-2020
  • Mathematics
contestada

30
Solve the system of equations.
x + 2y = -3
x - y = -12

Respuesta :

SvetkaChem
SvetkaChem SvetkaChem
  • 26-05-2020

Answer:

x= - 9 y = 3

Step-by-step explanation:

     x + 2y = -3

-   (x - y    = - 12)

x - x +2y + y = - 3 + 12

          3y = 9

            y = 3

x- y = - 12

x - 3 = - 12

x= - 9

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