Question

срочно!! спасибо заранье ​

Answer 1

$\displaystyle \left \{ {{2x+y=3} \atop {3x-2y=8}} \right.\\ \\\left \{ {{y=3-2x} \atop {3x-2y=8}} \right.\\ \\3x-2(3-2x)=8\\x=2\\y=3-2*2\\y=-1\\(x,y)=(2,-1)$