3 years ago

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

1 answer:

4 0

$\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.
$

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