2x + 3y = 32x - 3y = 2

a) $\left\{\begin{array}{l}2x+\sqrt{3}y=\sqrt{3}\\ \sqrt{2}x-3y=\sqrt{2}\end{array}\right.$
b) $\left\{\begin{array}{l}x+\sqrt{5}y=\sqrt{5}\\ \sqrt{3}x-y=\sqrt{3}\end{array}\right.$