miguelfdezcp00 miguelfdezcp00
  • 21-02-2021
  • Mathematics
contestada

5x +2y=-9
3x+4y= -11
por el método de igualacion porfavor hacerlo en folio y me mandáis una foto si no no entiendo​

Respuesta :

thebecks
thebecks thebecks
  • 21-02-2021

Answer:

x = -1

y = -2

Step-by-step explanation:

5x + 2y = -9      2y = -9 - 5x      y=(-9-5x)/2

3x + 4y = -11

3x+4[(-9-5x)/2] = -11

3x+( -36-20x)/2 = -11

3x-18-10x = -11

-7x = 7

x = -1

y = -2

Answer Link
arianna9625 arianna9625
  • 21-02-2021

Answer:

x = −1 and y = −2

Step-by-step explanation:

Utilicé sustitución.

Mire las imágenes para obtener una explicación paso a paso.

Ver imagen arianna9625
Ver imagen arianna9625
Ver imagen arianna9625
Answer Link

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