Odpowiedź:
Szczegółowe wyjaśnienie:
3 - 2x = 1 - 4x
- 2x +4x = 1 - 3
2x = - 2. /:2
x = - 1
5x - 4 = 3x + 2
5x - 3x = 2 + 4
2x = 6. /:2
x = 3
7x - 3 = 2x + 2
7x - 2x = 2 +3
5x = 5. /:5
x = 1
x - 3 = 3x + 4
x - 3x = 4 +3
- 2x = 7. /: (-2)
x = - 7/2
x = - 3 ½
