x = $\frac{5}{2}$ or x = $-\frac{5}{2}$

x = $\frac{2}{5}$ or x = $-\frac{2}{5}$

x = $2\frac{1}{2}$ or x = $-2\frac{1}{2}$

x = $\frac{3}{7}$ or x = $-\frac{3}{7}$