Odpowiedź:
d) 3 - x + 2x - 1
- x - 2x = - 1 - 3
- 3x = - 4
x = 1,25
e) 5x - 5 = 16 * 2x
5x - 5 = 32x
5x - 32x = 5
- 27x = 5
x = -([tex]\frac{27}{5}[/tex])
x = -5,4
