Question

Tìm giá trị x thỏa mãn :

(x-3)/(2-x)=(-2)/3

Answer 1

\(\frac{x-3}{2-x}=\frac{-2}{3}\)

\(3\left(x-3\right)=-2\left(2-x\right)\)

\(3x-9=-4+2x\)

\(3x-2x=-4+9\)

\(x=5\)

Answer 2

Ta có :

\(\frac{x-3}{2-x}=\frac{-2}{3}\)

\(\Rightarrow3\left(x-3\right)=-2\left(2-x\right)\)

\(\Rightarrow3x-9=-4+2x\)

\(\Rightarrow3x-2x=\left(-4\right)+9\)

\(\Rightarrow x=5\)