Respuesta :

3x + 1 = 3x - 8
3x - 3x = -8 -1
0 = -9 (incorrect)
this has NO SOLUTION
[tex]3x + 1 = 3x - 8[/tex] 

[tex]1=-8 :|\text{Cancel 3x}[/tex] 

1=-8
 is false, there is no solution.