Explicație pas cu pas:
[tex]3[2(1-x) - 1] > |x - 11| \\ 3(2 - 2x - 1) > |x - 11| \\ 3(1 - 2x) > |x - 11| \\|x - 11| < 3 - 6x[/tex]
[tex]x - 11 < 3 - 6x \\ x + 6x < 3 + 11 \\ 7x < 14 \\ x < 2[/tex]
[tex] - x + 11 < 3 - 6x \\ - x + 6x < 3 - 11 \\ 5x < - 8 \\ x < - \frac{8}{5} [/tex]
[tex]x < 2 \: si \: x < - \frac{8}{5}[/tex]
[tex]=>x < - \frac{8}{5}[/tex]
x ∈ Z