18 * (х - 1) + 2 * (2х - 3) - 6х = - 1
18х - 18 = 4х - 6 - 6х = - 1
16х - 24 = - 1
16х = - 1 + 24
16х = 23
х =
18 * (х - 1) + 2 * (2х - 3) - 6х = - 1
18х - 18 = 4х - 6 - 6х = - 1
16х - 24 = - 1
16х = - 1 + 24
16х = 23
х =