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16-10-2016
Mathematics

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Solve the simultaneous equations: [tex]xy = -6 [/tex] and [tex]2y - x = 8 [/tex]

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Аноним Аноним

17-10-2016

I hope this helps you xy=-6 y=-6/x 2y-x=8 -x+2.-6/x=8 -x^2-12=8x x^2+8x+12=0 (x+6). (x+2)=0 x+6=0 x=-6 x+2=0 x=-2 x=-6 -6.y=-6 y=1 x=-2 -2.y=-6 y=3

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