\(\dfrac{x+2}{x-1}=\dfrac{x-3}{x+1}\)
\(\Rightarrow\left(x+2\right)\left(x+1\right)=\left(x-1\right)\left(x-3\right)\)
\(\Rightarrow x^2+x+2x+2=x^2-3x-x+3\)
\(\Rightarrow x^2+3x-x^2+4x=3-2\)
\(\Rightarrow7x=1\Rightarrow x=\dfrac{1}{7}\)
Chúc bạn học tốt!!!