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2014-04-02T22:44:47+03:00
6x/4y-y/4y=2 simplificam 
3x/2y-1/4=2
3x/2y=2+1/4 aducem la acelasi numitor
3x/2y=(8+1)/4
3x/2y=9/4
x/y=(9/4)·(2/3) simplificam
x/y=3/2
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