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valeriegarcia12
17.10.2019 •
Mathematics
What is the correct someone and i’m confused : (
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Ответ:
if we subtract -6x+3y=24 from 2x -3y =12,
we get
2x-3y-(-6x+3y)=12-24
2x-3y+6x-3y=-12
8x-6y=-12,
After this actions we did not remove any variable, but with the elimination method we had to remove one variable, to get equation with another one variable. So 3 is incorrect
Ответ: