Question

Answer 1

đề là gì

Answer 2

\(\dfrac{8}{x-5}=\dfrac{3}{x+1}\)

\(\Rightarrow8\left(x+1\right)=3\left(x-5\right)\)

\(\Rightarrow8x+8=3x-15\)

\(\Rightarrow5x=-23\)

\(\Rightarrow x=-\dfrac{23}{5}\) ( thỏa mãn đk )

Answer 3

Ta có: \(\dfrac{8}{x-5}=\dfrac{3}{x+1}\)

\(\Leftrightarrow8x+8=3x-15\)

\(\Leftrightarrow5x=-23\)

hay \(x=-\dfrac{23}{5}\)