Tìm x biết 2.(x - 1/3) - 3.(x - 1/2) = 1/2.x

a/ 2.(x-1/3)-3.(x-1/2)= 1/2. x
b/3x- 3/2-5x+10/3= 1
c/30%.x-x+5/6=1/3
giúp mình nhanh na