[tex] |x - \sqrt{18} | = \sqrt{2} \\ \\ |x - 3 \sqrt{2} | = \sqrt{2} \\ \\ x - 3 \sqrt{2} = \sqrt{2} \\ \\ - (x - 3 \sqrt{2}) = \sqrt{2} \\ \\ x = \sqrt{2} + 3 \sqrt{2} = 4 \sqrt{2} \\ \\ - x + 3 \sqrt{2} = \sqrt{2} \\ \\ - x = \sqrt{2} - 3 \sqrt{2} = - 2 \sqrt{2} \\ \\ x = 2 \sqrt{2} [/tex]