Решите уравнение : 6) 2/3 ( 1/3 x - 1/2 ) = 4x + 2 1/2

6) 2/3 ( 1/3 x - 1/2 ) = 4x + 2 1/2
2/9х-2/6х=4х + 2 1/2
4/18х-6/18х=4х+2 1/2
-2/18х-4х=2 1/2
-4 1/9х=2 1/2
х=-37/9:5/2
х=-37/9*2/5
х=-74/40
х=-1 34/40
х=-1 17/20
х=-1,85