zoelavoy04 zoelavoy04
  • 09-11-2021
  • Mathematics
contestada

Solve this system of equations. Write your answer as (x,y) no spaces.
y = -8x – 24
3x + 3y = 12

Respuesta :

alexxusportalatin522
alexxusportalatin522 alexxusportalatin522
  • 09-11-2021

Answer:

3x + 3(-8x - 24) = 12

3x - 24x - 72 = 12

-21x - 72 = 12

-21x - 72+72 = 12+72

-21x = 84

-21x/-21 = 84/-21

x = -4

(-4,-24)

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