leesteve5273
leesteve5273
07-12-2017
Mathematics
contestada
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
Answer Link
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