$\frac{1}{3}x-2=5-\frac{2}{3}x
\frac{1}{3}x+\frac{2}{3}$x=5+2
x=7
$\frac{2}{3}x+2=\frac{1}{3}x+3
\frac{2}{3}x-\frac{1}{3}x=3-2
\frac{1}{3}x$=1
x=1*3
x=3
x-4=3(2x+5)
x-4=6x+15
x-6x=15+4
-5x=19
x= -\frac{19}{5}
x= -3,8
4x +2=5x-(x-1)
4x+2=5x-x+1
4x-5x+x= 1-2
0= -1