[tex]3- \frac{2}{3}* \frac{9}{7}- \frac{10}{5}= \frac{x}{5} [/tex]
[tex]3- \frac{2}{1}* \frac{3}{7}-2= \frac{x}{5} [/tex]
[tex]1- \frac{6}{7}= \frac{x}{5} [/tex]
[tex] \frac{7}{7} - \frac{6}{7}= \frac{x}{5} [/tex]
[tex]\frac{1}{7}= \frac{x}{5} [/tex]
[tex]x= \frac{5}{7} [/tex]
5/7 nu este numar intreg, ceea ce inseamna ca ecuatia nu are solutii in multimea numerelor intregi