Respuestas

2012-07-06T10:01:40+02:00

12 - 4x + 8 > 2 - x

20 - 4x > 2 - x

18 > 3x

6 > x

C.S < - infinito, 6]

2012-07-06T11:10:50+02:00

12-4(x-2)>0

x-2

 

8x-16 >0 x-2

8x - x = -2+16

8x = 14

14/8 = xx = 1,75

 

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