Bài 1:Tìm các số nguyên x,y biết:
a) \(\frac{6}{2x+1}=\frac{2}{7}\)
b) \(\frac{24}{7x-3}=\frac{-4}{25}\)
c) \(\frac{4}{x-6}=\frac{y}{24}=\frac{-12}{18}\)
d) \(\frac{-1}{5}\le\frac{x}{8}\le\frac{1}{4}\)
e) \(\frac{x+46}{20}=x\frac{2}{5}\)
f) \(y\frac{5}{y}=\frac{86}{y}\)