III.- Más ejercicios

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

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