Answer:
[tex] - 1.2(3x - 3) = 4(3x + 0.9) \\ - 3.6x + 3.6 = 12x + 3.6 \\ 12x + 3.6x = 3.6 - 3.6 \\ 15.6x = 0 \\ \\ x = \frac{0}{15.6} \\ \\ x = 0[/tex]
I hope I helped you^_^
