2/3x - x = 5/12
x * (2/3 - 1) = 5/12
x * -1/3 = 5/12
x = 5/12 : -1/3
x = -5/4
2/3x - x = 5/12
x . (2/3 - 1) = 5/12
x . -1/3 = 5/12
x = 5/12 : (-1/3)
x = 5/12 x (-3)
x = -5/4
2/3x - x = 5/12
x * (2/3 - 1) = 5/12
x * -1/3 = 5/12
x = 5/12 : -1/3
x = -5/4