-3x+1-3(x+3)=-2(1- x) +2

-3x + 1 - 3(x + 3) = -2(1 - x) + 2

-3x + 1 - 3x - 9 = -2 + 2x + 2

-6x - 8 = 2x

-8 = 2x + 6x

-8 = 8x

x = -1