k43ruok k43ruok
  • 12-08-2021
  • Mathematics
contestada

How many solutions does the system have?
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⎪
⎨
⎪
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⎧
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x+y=3
5x+5y=15
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Respuesta :

khalilneedshelp
khalilneedshelp khalilneedshelp
  • 12-08-2021
x=3-y

5(3-y) + 5y=15

15y-5y+5y=15

15y=15

Y= 15/15

Y= 1


X+(1)=3

X=3-1

X=2




Final answer: x=2 and y=1

Method: simultaneous equations
Answer Link

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