countrygirl1996 countrygirl1996
  • 02-10-2014
  • Mathematics
contestada

solve y+4x=12 3y=8-12x

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luana
luana luana
  • 02-10-2014
[tex] \left \{ {{y+4x=12} \atop {3y=8-12x}} \right. \\\\ \left \{ {{y=12-4x} \atop {3y=8-12x}} \right. \\\\3(12-4x)=8-12x\\\\36-12x=8-12x\\\\-12x+12x=8-36\\\\0\neq28\\\\There\ are\ no\ solutions.[/tex]
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