| 2x - 3 | = 8
2x - 3 = 8 lub 2x - 3 = - 8
2x = 8 + 3 lub 2x = - 8 + 3
2x = 11 / : 2 lub 2x = - 5 / : 2
x = 5,5 lub x = - 2,5
