2x - 3x/2 = -x + 1/3
first, we can multiply both sides by 2 in order to get rid of the 2 under 3x
2(2x-3x/2) = 2(-x + 1/3)
4x - 3x = -2x + 2/3
now we combine like terms
x = -2x + 2/3
and we can add 2x to both sides
3x = 2/3
now we divide by 3 on both sides
x = 2/9
hope this helps