tự giải đi

g: \(x-\frac{7}{12}x+\frac38x=\frac{5}{24}\)

=>\(x\left(1-\frac{7}{12}+\frac38\right)=\frac{5}{24}\)

=>\(x\left(\frac{24}{24}-\frac{14}{24}+\frac{9}{24}\right)=\frac{5}{24}\)

=>\(x\cdot\frac{19}{24}=\frac{5}{24}\)

=>\(x=\frac{5}{24}:\frac{19}{24}=\frac{5}{19}\)

h: \(\left(x-\frac13\right)^2-\frac12=1\frac34\)

=>\(\left(x-\frac13\right)^2-\frac12=\frac74\)

=>\(\left(x-\frac13\right)^2=\frac12+\frac74=\frac94\)

=>\(\left[\begin{array}{l}x-\frac13=\frac32\\ x-\frac13=-\frac32\end{array}\right.\Rightarrow\left[\begin{array}{l}x=\frac32+\frac13=\frac{9+2}{6}=\frac{11}{6}\\ x=\frac{-3}{2}+\frac13=\frac{-9+2}{6}=-\frac76\end{array}\right.\)

= 33,(714285)

 25+ 8 x 5 :7 = \(\dfrac{1290}{7}\)

\(\Leftrightarrow\frac{7}{8}x-5x-\frac{20}{6}x+5-\frac{1,5}{6}=0\)

\(\Leftrightarrow\frac{7}{8}x-5x-\frac{10}{3}x+5-\frac{1}{4}=0\).Giải x

Bạn có thế viết đề rõ hơn k::))))

\(\frac{7}{8}x-5.\left(x-9\right)=20x+1\frac{5}{6}\)

\(\frac{7}{8}x-5x+45=20x+\frac{11}{6}\)

\(\frac{7}{8}x-5x-20x=\frac{11}{6}-45\)

\(\frac{-193}{8}x=\frac{-295}{6}\)

\(\Rightarrow x=\frac{1036}{579}\)

(1+5/4+3/2+............................+19/4):23

=4/4+5/4+6/4+7/4+8/4+.......................+19/4):23

=\(\frac{4+5+6+........+19}{4}\):23

=\(\frac{184}{4}\):23=46:23=2

(1+5/4+3/2+............+19/4):23

=46:23=2