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07-12-2017
Mathematics

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what is x+2y=6 2x-4y=-12

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sunnysinha477p0jnr8 sunnysinha477p0jnr8

07-12-2017

X+2y=6
2y=6-x .............(i)
now
2x-4y=-12
x-2y=-6
x-6+x=-6
2x=0
X=0
y=6

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Аноним Аноним

07-12-2017

x + 2y = 6
2x - 4y = -12
Multiply the first equation by - 2
-2x - 4y = -12

This is the same as the second equation

So there are infinite solutions to these 2 equations

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