Question

Ayúdenme por fa
5x-7>3x+1>6x-11

Answer 1

>=  , mayor igual

5x-7>= 3x+1>= 6x-11 
 |_____|    |_____|

5x -7 >= 3x+1        3x+ 1 >= 6x - 11         5x - 7 >= 6x -11
2x >= 8                      12 > =3x                      4 >= x
  x>= 4                       4>=x                        x€ (-oo ; 4]   

x € [ 4;+oo)              x€  (-oo;4]


Intersectamos y nos da que :

x = {4}