Giải pt"

\(\frac{x^2}{2}+\frac{18}{x^2}=13.\left(\frac{x}{2}-\frac{3}{x}\right)\)

\(\frac{2x}{x+1}+\frac{18}{x^2+2x-3}=\frac{2x-5}{x+3}\)

giải pt

Giải pt:

a) \(\frac{x^2+2x-16}{x^2-x-12}+1=\frac{2x+1}{x+3}+\frac{3x-8}{x-4}\)

b) \(\frac{2x-1}{x+2}+\frac{7x+9}{\left(x+2\right)\left(x-1\right)}=\frac{3x-1}{x-1}\)

c) \(\frac{x+1}{20}+\frac{x+2}{19}+\frac{x+3}{18}=\frac{x+20}{1}+\frac{x+19}{2}+\frac{x+18}{3}\)

Giải giúp mình với ạ :((

Giải pt:

\(\frac{10x-5}{18}+\frac{x+3}{12}=\frac{7x+3}{6}-\frac{12-2}{9}\)

\(\frac{5}{3}+\frac{-14}{3}<x<\frac{8}{5}+\frac{18}{10}

Giải PT:

\(\frac{1}{x^2+9x+20}+\frac{1}{x^2+11x+30}+\frac{1}{x^2+13x+42}=\frac{1}{18}\)

Giải pt:

a) \(\frac{^{x^2+2x-16}}{x^2-x-12}+1=\frac{2x+1}{x+3}+\frac{3x-8}{x-4}\)

b) \(\frac{2x-1}{x+2}+\frac{7x+9}{\left(x+2\right)\left(x-1\right)}=\frac{3x-1}{x-1}\)

c) \(\frac{x+1}{20}+\frac{x+2}{19}+\frac{x+3}{18}=\frac{x+20}{1}+\frac{x+19}{2}+\frac{x+18}{3}\)

Giải pt sau :\(\frac{25}{x}+9\sqrt{9x^2-4}=\frac{2}{x}+\frac{18}{x^2+1}\)

B2: Cho x;y >0 .Tìm min \(B=\left(3+\frac{1}{x}\right)\left(3+\frac{1}{y}\right)\left(2+x+y\right)\)

16, giải phương trình.

1, \(\frac{x+5}{65}+\frac{x+10}{60}=\frac{x+15}{55}+\frac{x+20}{50}\)

2, \(\frac{x+91}{81}+\frac{x+92}{82}+\frac{x+93}{83}=3\)

3, \(\frac{59-x}{19}+\frac{58-x}{18}=\frac{57-x}{17}+\frac{56-x}{16}\)

4, \(\frac{x}{15}+\frac{x+1}{16}+\frac{x+2}{17}+\frac{x+3}{18}+\frac{x+4}{19}=5\)