Question

$\left \{ {{x^{2}-xy=6} \atop {y^{2}-xy=-2}} \right.$

Answer 1

х-у = 6/х
х-у = 2/у

6/х = 2/у
х=3у
9у^2-3у^2=6
у^2=1
у=1
х=3*1=3