[tex]1)\\\\-2x-11=24+7x\\\\-2x-7x=24+11\\\\-9x=35\ \ |:(-9)\\\\ x=-\frac{35}{9}=-3\frac{8}{9}[/tex]
[tex]2)\\\\3(2-3x)-(4-x)=20-2(2-3x)\\\\6-9x-4+x=20-4+6x\\\\-9x+x-6x=20-4-6+4\\\\-14x=14\ \ |:(-14)\\\\x=-1[/tex]
[tex]3)\\\\ x -\frac{x-3}{3}=\frac{4x-5}{6}+ 3 \ \ |*6\\\\6x-2(x-3)=4x-5+18\\\\6x-2x+6=4x+13\\\\6x-2x-4x=13-6\\\\0=7\\\\rownanie\ sprzeczne\ , brak\ rozwiazania .[/tex]
[tex]4)\\\\ 6-7x>9-5x\\\\-7x+5x>9-6\\\\-2x>3\ \ |:(-2)\\\\x<-\frac{3}{2}\\\\x\in(-\infty ;-\frac{3}{2})[/tex]
[tex]5)\\\\\frac{x+47}{10}\geq \frac{3-x}{2} - \frac{2x-1}{5}\ \ |*10\\\\x+47\geq 5(3-x)-2(2x-1)\\\\x+47\geq 15-5x-4x+2\\\\x+5x+4x\geq 15+2-47\\\\10x\geq -30\ \ |:10\\\\x\geq -3\\\\x\in<-3;+\infty )[/tex]
[tex]6)\\\\ 4(x-1)+3≤2(x+3)-(7-2x)\\\\4x-4+3\leq 2x+6-7+2x\\\\4x-1\leq 4x-1\\\\4x-4x\leq -1+1\\\\ 0\leq 0\\\\prawda[/tex]
