6x + 3y = 0 3x + 3Y = 9 How do you do this using multiplication with one or both equations so one of the variables will have opposite coefficients. Do not solve

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Marc Gibbons asked Feb 27, 2023

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17 votes

6x + 3y = 0

3x + 3Y = 9
How do you do this using multiplication with one or both equations so one of the variables will have opposite coefficients. Do not solve

Mathematics
college

Marc Gibbons asked Feb 27, 2023

by Marc Gibbons

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1 Answer

6 votes

6x+3y=0
3x+3y=9

6x+3y=0
3y=9-3x

6x+9-3x=0
X=-3
3y=9-3x(-3)
Y=6
(X,y)=-3,6

Martin Le answered Mar 6, 2023

by Martin Le

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