-0.9(x-4)-3.3=0.6(2-x)

-0.9x + 3.6 - 3.3 = 1.2 - 0.6x

-0.9x + 0.3 = 1.2 - 0.6x

-0.9x + 0.6x = 1.2 - 0.3

-0.3x = 0.9

x = -3