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Konrad509idn
[tex]3x-17=4\\ 3x=21\\ x=7\\\\ \frac{x}{20}-41=59\\ \frac{x}{20}=100\\ x=2000\\\\ 3(2x+7)-3x=18\\ 6x+21-3x=18\\ 3x=-3\\ x=-1\\\\ -2(5-x)+16=-14\\ -10+2x+16=-14\\ 2x=-20\\ x=-10\\\\ 2x+4\leq20\\ 2x\leq16\\ x\leq8\\\\ 21-9x\geq-6\\ -9x\geq-27\\ x\leq3\\\\ 144\geq-12x\\ x\geq-12\\\\ \frac{x}{8}<-12\\ x<-96\\\\ \frac{3}{8}x=6\\ x=16\\\\ -\frac{5}{6}x=10\\ x=-12\\\\ 22-\frac{2}{3}x=14\\ -\frac{2}{3}x=-8\\ x=12\\\\ -\frac{7}{8}x+13=-29\\ -\frac{7}{8}x=-42\\ x=48[/tex]

[tex]\frac{3}{2}x+\frac{1}{5}=\frac{3}{4}\\ 30x+4=15\\ 30x=11\\ x=\frac{11}{30}\\\\ x-\frac{2}{6}=\frac{2}{3}\\ 6x-2=4\\ 6x=6\\ x=1\\\\ -\frac{4}{5}x+6=12\\ -4x+30=60\\ -4x=30\\ x=-7.5[/tex]
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