Question

{2x-y=-2
{3x-y=5


Даю 10 балов срочно​

Answer 1

$\displaystyle \left \{ {{2x-y=-2} \atop {3x-y=5}} \right.\\ \\\left \{ {{y=2+2x} \atop {3x-y=5}} \right. \\\\3x-(2+2x)=5\\x=7\\y=2+2*7\\y=16\\(x,y)=(7,16)$