Question

cho biết 5 phần x =-2 phần 3 vậy x có giá trị là?

 

Answer 1

\(\dfrac{5}{x}=-\dfrac{2}{3}\Rightarrow x=\dfrac{5.3}{-2}=-\dfrac{15}{2}\)

Answer 2

\(\dfrac{5}{x}=-\dfrac{2}{3}\Rightarrow x=-\dfrac{15}{2}\)

 

Answer 3

\(\dfrac{5}{x}=-\dfrac{2}{3}\)

\(\Rightarrow5.3=-2.x\)

\(15=-2.x\)

\(15:\left(-2\right)=x\)

\(x=-7,5\)