Odpowiedź:
2(2x + 3) - 5 = 3(1 + 3x) + 2
4x + 6 - 5 = 3 + 9x + 2
4x + 1 = 9x + 5
4x - 9x = 5 - 1
- 5x = 4
5x = - 4
x = - 4/5 = - 0,8