3-2 (1-x) = 5+7 (x-3)

3-2 (1-x) = 5+7 (x-3)
1(1-x) = 12(x-3)
1-x = 12x-36
1+36 = x+12x
37 = 13x
x = 37/13
x = 2 11/13

3 - 2 (1-x) = 5 + 7 (x-3)
3 - 2 + 2x = 5 + 7x - 21
2x - 7x = 5 - 21 - 3 + 2
-5x = -17
x = -17/-5
x = 17/5
x= 3-2/5