Question

легкий
Способом додавання / способ сложения​

Answer 1

$\left \{ {{2-4y=3(x-2)} \atop {2(x+y)=5y+2,5}} \right. \\\\\left \{ {{2-4y=3x-6} \atop {2x+2y=5y+2,5}} \right.\\\\\left \{ {{3x+4y=8}|*(3) \atop {2x-3y=2,5}|*4} \right.\\\\+\left \{ {{9x+12y=24} \atop {8x-12y=10}} \right.\\ -------\\17x=34\\\\x=2\\\\4y=8-3x=8-3*2=2\\\\y=0,5\\\\Otvet:\boxed{(2;0,5)}$