\(\frac{7}{8}x-5.\left(x-9\right)=20x+1\frac{5}{6}\)
\(\frac{7}{8}x-5x+45=20x+\frac{11}{6}\)
\(\frac{7}{8}x-5x-20x=\frac{11}{6}-45\)
\(\frac{-193}{8}x=\frac{-295}{6}\)
\(\Rightarrow x=\frac{1036}{579}\)
\(\frac{7}{8}x-5.\left(x-9\right)=20x+1\frac{5}{6}\)
\(\frac{7}{8}x-5x+45=20x+\frac{11}{6}\)
\(\frac{7}{8}x-5x-20x=\frac{11}{6}-45\)
\(\frac{-193}{8}x=\frac{-295}{6}\)
\(\Rightarrow x=\frac{1036}{579}\)
7/8x – 5(x-9)= (20x+1,5)/6
7/8x-5(x-9)=20+1,5/6
(*)cả 20x+1,5 đều trên 6
Giai phuong trinh ;a) 7/8x-5(x-9)=20x+1,5/6
b)(x-1)^3-x(x+1)^2=5x(2-x)-11(x+2)
Giải các phương trình sau:
\(a.\dfrac{5x-2}{3}=\dfrac{5-3x}{2}\)
\(b.\dfrac{10x+3}{12}=1+\dfrac{6+8x}{9}\)
\(c.2\left(x+\dfrac{3}{5}\right)=5-\left(\dfrac{13}{5}+x\right)\)
\(d.\dfrac{7}{8}x-5\left(x-9\right)=\dfrac{20x+1,5}{6}\)
\(e.\dfrac{7x-1}{6}+2x=\dfrac{16-x}{5}\)
\(f.\dfrac{x+4}{5}-x+4=\dfrac{x}{3}-\dfrac{x-2}{2}\)
Giải phương trình sau
\(\frac{7}{8}x-5\left(x-9\right)=\frac{20x+1,5}{6}\)
Giải PT
\(\frac{7}{8}\)x-5(x-9)=\(\frac{20x+1,5}{6}\)
\(\frac{7}{8}x-5\left(x-9\right)\)=\(\frac{20x+1,5}{6}\)
1 . \(\left(3x-2\right)\left(x^2-1\right)=\left(9x^2-4\right)\left(x+1\right)\)
2 . \(\frac{7}{8}x-5\left(x-9\right)=\frac{20x+1,5}{6}\)
3 . \(4\left(0,5-1,5x\right)=\frac{5x-6}{3}\)
4 . \(\left(3x-1\right)\left(x^2+2\right)=\left(3x-1\right)\left(7x-10\right)\)
5 . \(\frac{8x^2}{3\left(1-4x^2\right)}+\frac{1}{2x+7}=\frac{6}{x^2-9}\)
Giải cách phương trình sau
2.(x+3/5)=5-(13/5+x)7x/8-5(x-9)=20x+1,5/6 Mn giúp với mình đang cần gấp