[tex]1.35 - 3x = - 6 \frac{1}{3} [/tex]
[tex] \frac{135}{100} - 3x = - \frac{6 \times 3 + 1}{3} [/tex]
[tex] \frac{135}{100} - 3x = - \frac{19}{3} [/tex]
[tex] \frac{27}{20} - 3x = - \frac{19}{3} [/tex]
[tex] - 3x = - \frac{19}{3} - \frac{27}{20} \: | \times 60[/tex]
[tex] - 180x = - \frac{1140}{3} - \frac{1620}{20} [/tex]
[tex] - 180x = - 380 - 81[/tex]
[tex] - 180x = - 461 \: | \times ( - 1)[/tex]
[tex]180x = 461[/tex]
[tex]x = \frac{461}{180} [/tex]
