Odpowiedzi

2010-03-07T10:53:23+01:00
3x-2=5(x+1)
3x - 2 = 5x + 5
3x - 5x = 5 + 2
- 2x = 7
x = -7/2 = - 3,5
3 5 3
2010-03-07T10:53:27+01:00
3x-2=5(x+1)
3x-2=5x+5
-2x = 7 / :(-2)
x = - 7/2
x = - 3,5
1 1 1
2010-03-07T16:45:21+01:00
3x-2=5(x+1)
3x - 2 = 5x + 5
3x - 5x = 5 + 2
-2x = 7 / : (-2)
x = - 3,5
1 3 1