countrygirl1996 countrygirl1996

02-10-2014
Mathematics

contestada

solve y+4x=12 3y=8-12x

Respuesta :

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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