dahlyah15 dahlyah15
  • 26-01-2021
  • Mathematics
contestada

3x + 2y = -9
X – Y = -13

Respuesta :

cheryllaw0644
cheryllaw0644 cheryllaw0644
  • 26-01-2021

Answer:

x =-7. .y=6

Step-by-step explanation:

3x + 2y = -9

(X – Y = -13)×3

3x + 2y = -9

3x – 3y = -39

5y = 30

y=6

3x +2(6)=-9

3x=-21

x=-7

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