sepulvedajoselyn1011 sepulvedajoselyn1011
  • 21-11-2020
  • Mathematics
contestada

Solve each system by substitution.
11) 3x - y = 20
y=-2

Respuesta :

gaelgalvan25 gaelgalvan25
  • 21-11-2020

Answer:

lol you stupid how do you not know

Step-by-step explanation:

lol

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angiechicana
angiechicana angiechicana
  • 21-11-2020
Hello there! I think x=6 because you would substitute “-2” for “-y” and when you multiply two negatives they turn into a positive. You then put your “2” on the other side of the equal marks. Then just do 3x/18 and you get 6.
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