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-4x + 2 + 1 < -2x - 2 mcm de 2 y 1/3
3
-4x+ 1 < 2x - 2 ......-4x + 1= 0 < 2x - 2= 0
x= -1/4 < x = 1
La respuesta es -0, 25 < 1
2-4x+1<(3)-2x-(3)-2
2-4x+1<-6x-6
-4x+6x<-6-2-1
2x<-9
x<-9/2
c.s: ] -∞,-9/2[