Odpowiedzi

2010-02-10T15:15:03+01:00
2 - 3x/6 = 7/3 / * 6
x+4/3 = x-2/2 / * 6

12 - 3x = 14
6x + 8 = 6x - 6

12 - 3x = 14
8 = -6
20 - 3x = 8
-3x = -12 /* -3
x = 4

2010-02-10T15:17:18+01:00
2- 3 x/ 6 =7/3 | x 6
x + 4/3= x - 1 | x 3

12 - 3x = 14
6x + 8 = 6x - 6

12 - 3x = 14
6x - 6x + 8= -6

- 3x = 2
8= -6

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