Respuestas

2012-08-05T18:28:46+02:00

2x + 2 - 3x + 6 = x + 6

2x - 3x - x = 6 - 6 - 2

-2x = -2

x = 2/2 

x = 1

2012-08-05T18:28:51+02:00

2x + 2 - 3x + 6 = x + 6

2x - 3x - x = 6 - 6 - 2

-2x = -2

x = -2/-2 

x = 1