ayssataly2 ayssataly2
  • 22-04-2020
  • Mathematics
contestada

– 5x + 13y = -7
5x + 4y = 24
X =
y=

Respuesta :

taroarthur taroarthur
  • 22-04-2020

Answer:

Step-by-step explanation:

First, we can add the two equations together:

-5x+5x+13y+4y=24-7

17y=17

y=1

As you can see, the x values cancelled out. We now know that y=1.  Since 5x+4y=24 and y=1:

5x+4=24

5x=20

x=4.  

x=4, y=1.  Done.  

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