1/2х - 1/3 = 1/6
1/2х = 1/6 + 1/3 = 1/6 + 2/6 = 3/6 = 1/2
х = 1/2 : 1/2 = 1/2 * 2/1 = 2/2 = 1
x-1 2/5=5 1/2
x - 12/5 = 51/2
x = 27.9
1/2х - 1/3 = 1/6
1/2х = 1/6 + 1/3 = 1/6 + 2/6 = 3/6 = 1/2
х = 1/2 : 1/2 = 1/2 * 2/1 = 2/2 = 1
x-1 2/5=5 1/2
x - 12/5 = 51/2
x = 27.9