решите уравнение 2/3/1/2х+1/3-1/6=1/30

2/3 : 1/2х + 1/3 - 1/6 = 1/30
2/3 : 1/2х + 10/30 - 5/30 = 1/30
2/3 : 1/2х + 5/30 = 1/30
2/3 : 1/2х = -4/30
2/3 × 2х = -4/30
4/3х = -4/30
х = (-4/30)/ 4/3
х = -4/30 × 3/4
х = -1/10
х = -0,1