Răspuns:
[tex]3x + \sqrt{2} = 5 \sqrt{2} [/tex]
[tex]3x = 4 \sqrt{2} [/tex]
[tex]x = \frac{4 \sqrt{2} }{3} [/tex]
Sau
[tex] \sqrt{2} - 3x = 5 \sqrt{2} [/tex]
[tex] - 3x = 4 \sqrt{2} [/tex]
[tex]x = - \frac{4 \sqrt{2} }{3} [/tex]
