Question

Ayuda
4 ≤ 3 - 2x
-3 ≥ 2 (8-x)
4-(x+3) ≤ 3 (3-X)
9x + 1/ 4 ≤ 2x -1

Answer 1

Hola!!

4 ≤ 3 - 2x
2x ≤3-4
2x ≤-1
x ≤-1/2

Rpta: <-oo;-1/2]

-3 ≥ 2 (8-x)
-3 ≥16-2x
2x ≥16+3
2x ≥19
x ≥19/2

Rpta: [19/2;+oo>

4-(x+3) ≤ 3 (3-X)
4-x-3 ≤9-3x
1-x ≤9-3x
3x-x ≤9-1
2x ≤8
x ≤4

Rpta: <-oo;4]

9x + 1/ 4 ≤ 2x -1
9x+1 ≤4(2x-1)
9x+1 ≤8x-4
9x-8x ≤-4-1
x ≤-5

Rpta: <-oo;-5]

Nota: oo - siginifca mas y menos infinito

Suerte y saludos !!