1) х/3 - х/4 = 1/6
4х/12 - 3х/12 =1/6
х/12 = 1/6
х = 12 • 1/6
х = 2
2) х/4 = (х-1)/6
6•х = 4•(х-1)
6х = 4х - 4
6х-4х = -4
2х = -4
х = -4:2
х = -2
3) (х+6)/2 = (4+х)/3
3(х+6) = 2(4+х)
3х + 18 = 8 + 4х
4х - 3х = 18-8
х = 10
4) (3+х)/8 = х/5х
5(3+х) = 8х
15 + 3х = 8х
8х - 3х = 15
5х = 15
х= 15:5
х = 3
5) (х+2)/6 = (1+х)/2
2(х+2) = 6(1+х)
2х + 4 = 6 + 6х
6х - 2х = 4 - 6
4х = -2
х = -2:4
х = -0,5
6) (2х-3)/5 = (х-2)/3
3(2х-3) = 5(х-2)
6х - 9 = 5х - 10
6х - 5х = -10 + 9
х = -1