imslowhelpmelol imslowhelpmelol
  • 20-02-2021
  • Mathematics
contestada

help me with this answer please <3

help me with this answer please lt3 class=

Respuesta :

beautifulmind2468
beautifulmind2468 beautifulmind2468
  • 20-02-2021

Answer:

(x, y) = (-8, 19)

Step-by-step explanation:

9x + 3y = -15

-4x - 3y = -25

(9x + 3y) + ((-4x) - 3y) = -15 + (-25)

5x = -40

x = -8.

So,

9x + 3y = -15

9 * (-8) + 3y = -15

-72 + 3y = -15

3y = 57

y = 19

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