marciaalvesrodrigues marciaalvesrodrigues
  • 17-11-2021
  • Mathematics
contestada

X+3y=55 -x+2y=20
Me ajude por favor

Respuesta :

firered21
firered21 firered21
  • 17-11-2021

Answer:

x + 3y = 55

-x -x

3y = -x + 55

3 3

y = -1/3x + 55/3

-x + 2y = 20

+x +x

2y = x + 20

2 2

y = 1/2x + 10

Espero que esto ayude :)

Por cierto, no soy un hablante nativo de español.

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