Odpowiedzi

2010-03-24T19:21:43+01:00
A)
1/2 x - 4 = x - 6
1/2 x - x = -6 + 4
-1/2 x = -2
x = 4
2010-03-24T19:22:14+01:00
1/2x - 4 = x - 6
1/2x - x = -6 + 4
-1/2x = -2 | : 1/2
x = 4
1 5 1