Réponses

2013-03-15T11:40:11+01:00

2(4x+3) - (5-5x) = 11x

2(4x+3) - (5-5x) - 11x = 0

8x + 6 - 5 - 5x - 11x = 0

-8x + 1 = 0

x = 1/8

 

-3x + 2 < -4

-3x + 2 - 4 < 0

-3x - 2 < 0

-3x < 2

x = - 2/3