T Tìm x biết:
a)\(\frac{1+2y}{18}\)=\(\frac{1+4y}{24}\)=\(\frac{1+6y}{6x}\) b)\(\frac{5x-1}{3}\)=\(\frac{7y-6}{5}\)=\(\frac{5x-7y-7}{4x}\)
c)\(\frac{3x+2}{3}\)=\(\frac{3x+2y-4}{6x}\)=\(\frac{2y-6}{9}\) d)2x=3y=5z và |x+y-z|=95
e)\(\frac{x+1}{10}\)+\(\frac{x+1}{11}\)+\(\frac{x+1}{12}\)=\(\frac{x+1}{13}\)+\(\frac{x+1}{14}\)