3x−y=23\mathrm{\sqrt{3}x-y=2\sqrt{3}}3x−y=23
3x+y=23\mathrm{\sqrt{3}x+y=2\sqrt{3}}3x+y=23
x+3y=23\mathrm{x+\sqrt{3}y=2\sqrt{3}}x+3y=23
x−3y=23\mathrm{x-\sqrt{3}y=2\sqrt{3}}x−3y=23