GIẢI PT theo a,b,c:
a) a2x-ab=b2(x-1)
b) \(\frac{a\left(3x-1\right)}{5}\)-\(\frac{6x-17}{4}\)+\(\frac{3x+2}{10}\)=O
c) \(\frac{2a+b+c-3x}{a}\)+\(\frac{a+2b+c-3x}{b}\)+\(\frac{a+b+2c-3x}{c}\)=6 - \(\frac{9x}{a+b+c}\)
d)\(\frac{x-ab}{a+b}\)+\(\frac{x-bc}{b+c}\)+\(\frac{x-ca}{c+a}\)= a+b+c