jheredia0015 jheredia0015
  • 11-12-2021
  • Mathematics
contestada

x = 16 - 4y
3x + 4y =8
substitution method

Respuesta :

tinybooyah
tinybooyah tinybooyah
  • 11-12-2021

Answer:

i think x = -4, y = 5

Step-by-step explanation:

x = 16 - 4y

3x + 4y = 8

3(16 - 4y)+4y = 8

48-12y+4y = 8

48-8y = 8

48-8 = 8y

40 = 8y

5 = y

so

x = 16 - 4y

x = 16 - 4(5)

x = 16 - 20

x = -4

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