Respuestas

2012-05-11T22:08:25+02:00

(5 - x) - (6 - 4x) = 8x - (3x - 17)

5 - x - 6 + 4x = 8x - 3x + 17

- x + 4x - 8x + 3x = 17 - 5 + 6

-2x = 18 | : (-2)

x = -9

2012-05-11T23:38:07+02:00

(5-x)-(6-4x)=8x-(3x-17)

     5-x-6+4x=8x-3x+17

-x+4x-8x+3x=17-5+6

     -2x       =18

        x    = -9