Answer :

 1.5(0.8x-1.2) = 0.2x+1.2

 1.2x-1.8=0.2x+1.2
      +1.8        +1.8

 1.2x=0.2x+3

 1.2x=0.2x+3
 -0.2x -0.2x

  x=3   


[tex]1.5(0.8x-1.2) = 0.2x + 1.2[/tex]

[tex]1.2x-1.8 = 0.2x + 1.2[/tex]

[tex]1.2x- 0.2x = 1.2+ 1.8[/tex]

[tex]1x = 3[/tex]

[tex]\boxed{x = 3}[/tex]