III.- Más ejercicios

 
871.
 
\dpi{50} 5x+9+\frac{x}{3}=8x-7
 
 
872.
 
\dpi{50} \frac{x}{4}+3=\frac{3x}{5}+2-\frac{x}{3}
 
 
873.
 
\dpi{50} \frac{x-9}{x+3}=\frac{4}{x+3}-5
 
 
874.
 
\dpi{50} \frac{\frac{3x}{7}.16}{x+1}=6
 
 
875.
 
\dpi{50} \frac{2}{x+1}=\frac{x}{x-1}-1
 
 
876.
 
\dpi{50} \frac{7x}{8}-5(x-9)=\frac{20x+1,5}{6}
 
 
877.
 
\dpi{50} \frac{0,15x-1}{0,20(x-3)}=\frac{1}{2}
 
 
878.
 
\dpi{50} x+\frac{x+4}{5}=1+\frac{x}{2}
 
 
879.
 
\dpi{50} 9x-\frac{7-x}{8}=10+\frac{x}{4}+2x
 
 
880.
 
\dpi{50} \frac{3}{5}-\frac{7x}{10}+\frac{3x}{4}-\frac{7x}{8}=-9
 
 
881.
 
\dpi{50} \frac{x+1}{2}+\frac{5+x}{6}=1+\frac{x+1}{3}
 
 
882.
 
\dpi{50} 4-\frac{x+3}{6}=2+\frac{9-2x}{3}
 
 
883.
 
\dpi{50} \frac{3x}{5}-\frac{7x}{10}+\frac{3x}{4}-\frac{7x}{8}+18=0
 
 
884.
 
\dpi{50} \frac{30}{x+5}+\frac{5+4x}{x+5}=5
 
 
885.
 
\dpi{50} \frac{x+8}{x-1}-\frac{x+4}{x+1}=\frac{12x}{x^{2}-1}
 
 
886.
 
\dpi{50} \frac{5x-3}{6}-\frac{7x-1}{4}=\frac{4x+2}{7}-5
 
 
887.
 
\dpi{50} \frac{3(2x+1)}{4}-\frac{5x+3}{6}+4x+\frac{x+1}{3}=x+\frac{151}{12}
 
 
888.
 
\dpi{50} \frac{3x}{5}+2-\frac{x}{3}=\frac{x}{4}+3
 
 
889.
 
\dpi{50} \frac{10}{x+10}-\frac{5}{x+2}=0
 
 
890.
 
\dpi{50} \frac{20}{x+1}+\frac{5x-5}{x^{2}-1}=\frac{52}{x-1}-\frac{40}{x+1}
 
 
891.
 
\dpi{50} \frac{3(2x+1)}{4}-\frac{3x}{10}-5=\frac{2(3x-1)}{5}-\frac{11x}{20}
 
 
892.
 
\dpi{50} \frac{15}{x-1}-\frac{10}{x+4}=\frac{100}{x^{2}+3x-4}
 
 
893.
 
\dpi{50} \frac{15}{x-2}-\frac{12x+6}{2x^{2}-8}=\frac{18}{x+2}
 
 
894.
 
\dpi{50} (a+x)(b+x)-a(b+c)-x^{2}=\frac{a^{2}c}{b}
 
 
895.
 
\dpi{50} \frac{1}{x-a}+\frac{1}{x+a}=\frac{1}{x^{2}-a^{2}}
 
 
896.
 
\dpi{50} x+\frac{x}{2a}-1=\frac{1+x}{2}
 
 
897.
 
\dpi{50} \frac{5x^{n}}{x+1}+\frac{5x^{n}+11x^{n+2}}{x^{2}-1}=\frac{10x^{n+1}}{x-1}
 
 
898.
 
\dpi{50} \frac{2+\frac{x+1}{x-1}}{1-\frac{x-1}{x+1}}=\frac{3x}{2}
 
 
899.
 
\dpi{50} \frac{2}{x+\frac{1}{1+\frac{x+1}{x-2}}}=\frac{6}{3x-1}
 
 
900.
 
\dpi{100} \large \frac{\frac{x-3}{2}-\frac{x-3}{4}}{x-\frac{1}{3-\frac{3x-1}{x+1}}}=\frac{1}{11}
 

Soluciones