Respuestas

2014-02-11T20:38:21+01:00
2 - [k - (6k - (1 - 2 k))] = 100
2 - [k - (6 k - 1 + 2 k)] = 100
2 - [k - 6 k + 1 - 2 k] = 100
2 - k + 6 k - 1 + 2 k = 100
- k + 6 k + 2 k = 100 - 2 + 1
7 k = 99
k = 99/7 = 14,14