Odpowiedź:
[tex]\frac{x-1}{4}\geq \frac{1}{2}(x+2)+2x\\\\\frac{x-1}{4}\geq \frac{1}{2}x+1+2x\ \ /*4\\\\x-1\geq 2x+4+8x\\\\x-1\geq 10x+4\\\\x-10x\geq 4+1\\\\-9x\geq 5\ \ /:(-9)\\\\x\leq -\frac{5}{9}\\\\x\in(-\infty,-\frac{5}{9}\rangle[/tex]
