Respostas

2014-09-03T11:26:21-03:00
5x - ( 3x + 2 ) = 1 - 2 ( 4x + 3 )

5x - 3x - 2 = 1 - 8x - 6

5x -3x + 8x = 1 - 6 + 2

10x = - 3

x = - 3/10 ou - 0,3