[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]