Các câu hỏi tương tự
tim x \(\frac{3x+2}{5x+7}\)=\(\frac{3x-1}{5x+1}\)
\(\frac{7x+2}{5x+7}=\frac{7x-1}{5x+1}\)
\(\frac{3x-1}{40-5x}\)=\(\frac{25-3x}{5x-34}\)
Tìm x biết: a)\(\frac{2x+3}{5x+2}=\frac{4x+5}{10x+2}\)
b)\(\frac{3x-1}{40-5x}\)=\(\frac{25-3x}{5x-34}\)
\(\frac{7x+2}{5x+7}=\frac{7x-1}{5x+1}\)là x=...............
\(\frac{7x+2}{5x+7}=\frac{7x-1}{5x+1}\) tìm x
Tìm x biết:
a, \(\frac{2x+3}{5x+2}=\frac{4x+5}{10x+2}\)
b, \(\frac{3x-1}{40-5x}=\frac{25-3x}{5x-34}\)
Bài 1: Tìm x,y biết :
a) \(\frac{2x+3}{5x+2}=\frac{4x+5}{10x+2}\)
b)\(\frac{3x-1}{40-5x}=\frac{25-3x}{5x-34}\)
Bài 2: Timd x,y,z biết:
a)\(5x=-10y=6zvàxyz=-30000\)
b)\(\frac{x-y}{3}=\frac{x+y}{13}=\frac{xy}{200}\)
Cho \(P\left(x\right)=x^{2009}-5x^{2007}+5x^{2005}-...-5x^3+5x-5\)
Tinh \(P\left(2\right)\)
tìm x
\(\frac{5x}{3.8}+\frac{5x}{8.13}+\frac{5x}{13.18}+\frac{5x}{18.23}+\frac{5x}{23.28}+\frac{5x}{28.33}=\frac{-7}{6}\)