alertalex2 alertalex2
  • 18-09-2014
  • Mathematics
Answered

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



Answer :

luana
luana luana
  • 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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