Odpowiedź :
Zadanie
5x - 3y + 6 - 2y + x = 6x - 5y + 6
-6a - 5b - a + 6 - 4b = -7a - 9b + 6
4ab - 6a + 5b - 2ab + 4a + 2ab - 5b = -2a + 4ab
Zadanie
5x - 3y + 6 - 2y + x = 6x - 5y + 6
-6a - 5b - a + 6 - 4b = -7a - 9b + 6
4ab - 6a + 5b - 2ab + 4a + 2ab - 5b = -2a + 4ab