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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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17 votes
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

User Marc Gibbons
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1 Answer

6 votes
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
User Martin Le
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