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2x+3y=1 and -3x+y=15 how do you get points (-4,3)

 Jan 29, 2015

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 #1
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2x+3y=1 and -3x+y=15 how do you get points (-4,3)

(1)2x+3y=1(2)3x+y=15|3(2)9x+3y=45$$ (1)(2):2x(9x)+3y3y=14511x=44x=4(1)2(4)+3y=18+3y=13y=9|:3y=3 

 Jan 30, 2015
 #1
avatar+26397 
+5
Best Answer

2x+3y=1 and -3x+y=15 how do you get points (-4,3)

(1)2x+3y=1(2)3x+y=15|3(2)9x+3y=45$$ (1)(2):2x(9x)+3y3y=14511x=44x=4(1)2(4)+3y=18+3y=13y=9|:3y=3 

heureka Jan 30, 2015

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