2 ( x - ½ ) = ⅔ ( x - 9 )

2x - 1 = ⅔x - 6 (x3)
6x - 3 = 2x - 18
6x - 2x = -18 + 3
4x = - 15
x = - 15/4
x = - 3,75.

2(x-1/2) = 2/3(x-9)
2x - 1 = 2/3x-6
2x -2/3x = 1-6
4/3x = -5
semua dikali 3
4x = -15
X= -15/4