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18-09-2014
Mathematics

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x+2y=6 2x=8-4y how to solve and is it consistent or inconsistent

Answer :

22-09-2014

[tex] \left \{ {{x+2y=6} \atop {2x=8-4y}} \right. \\\\ \left \{ {{x+2y=6|*(-2)} \atop {2x+4y=8}} \right.\\\\ \left \{ {{-2x+-4y=-12} \atop {2x+4y=8}} \right.\\+----\\ 0 \neq -4\\\\ There\ are\ no\ solutions\\ It\ is\ inconsistent. [/tex]

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