1)
[tex]3x+3=8 \ \ /-3\\\\3x=5 \ \ /:3\\\\\huge\boxed{x=1\frac{2}{3}}[/tex]
2)
[tex]1\frac{1}{3}x=9\\\\\frac{4}{3}x=9 \ \ /\cdot\frac{3}{4}\\\\x=\frac{27}{4}\\\\\huge\boxed{x=6\frac{3}{4}}[/tex]
3)
[tex]2x-5=10 \ \ /+5\\\\2x=15 \ \ /:2\\\\\huge\boxed{x=7,5}[/tex]
4)
[tex]6x+3=20 \ \ /-3\\\\6x=17 \ \ /:6\\\\\huge\boxed{x=2\frac{5}{6}}[/tex]
