Odpowiedź :
Odpowiedź:
0 = 2x + 3a
0 = x +0,5a - 1 /*-2
0 = 2x + 3a
0 = -2x - a + 2 Dodajemy
0 = 2a + 2
a = -1
0 = 2x - 3
2x = 3
x = 3/2
spr.
2 * 3/2 - 3 = 3 - 3 = 0
3/2 - 1/2 - 2/2 = 3/2 - 3/ 2 = 0
Odpowiedź:
0 = 2x + 3a
0 = x +0,5a - 1 /*-2
0 = 2x + 3a
0 = -2x - a + 2 Dodajemy
0 = 2a + 2
a = -1
0 = 2x - 3
2x = 3
x = 3/2
spr.
2 * 3/2 - 3 = 3 - 3 = 0
3/2 - 1/2 - 2/2 = 3/2 - 3/ 2 = 0