Question

{14-3(х-у)=5у-х
{2(х+у)=8           

Answer 1

$left { {{14-3(x-y)=5y-x} atop {2(x+y)=8 }} right. \ left { {{14-3x+3y-5y+x=0} atop {x+y=4 }} right. \ left { {{14-2x-2y=0} atop {x=4-y }} right. \ 7-x-y=0 \ 7-(4-y)-y=0 \ 7-4+y-y=0 \ 3 neq 0$
Ответ: нет решений