4x - 8 = 2x + 5
4x - 2x = 5 + 8
2x = 13 /:2
x = [tex]\frac{13}{2}[/tex]
x = [tex]6\frac{1}{2}[/tex]
8x = 5x + 9
8x - 5x = 9
3x = 9 /:3
x = 3
[tex]\frac{3x+1}{5} = -2[/tex] /*5
3x + 1 = -10
3x = -10 - 1
3x = -11
x = [tex]-\frac{11}{3}[/tex]
x = [tex]-3\frac{2}{3}[/tex]
[tex]1\frac{1}{2} x - 3 = 11[/tex]
[tex]\frac{3}{2} x - 3 = 11[/tex] /*2
3x - 6 = 22
3x = 22 + 6
3x = 28 /:3
x = [tex]\frac{28}{3}[/tex]
x = [tex]9\frac{1}{3}[/tex]
