Question

\(\dfrac{3}{x+5}=15\%\)

Hãy tìm x

Answer 1

\(\dfrac{3}{x+5}\)=\(\dfrac{3}{20}\)

\(\Leftrightarrow\)x+5=20

\(\Leftrightarrow\)x=15

Chúc bạn học tốt !

Answer 2

\(\dfrac{3}{x+5}\)\(=15\)%

\(\dfrac{3}{x+5}\)\(=\dfrac{3}{20}\)

\(\Rightarrow x+5=20\)

\(x=20-5\)

\(x=15\)

Vậy \(x=15\)

Answer 3

3/x+5=3/20

x+5=20

x =20-5

x =15

nhớ tick cho mình nhé

Answer 4

x = 15

mik ko thích diễn giải ra!

Answer 5

Lời giải:

\(\dfrac{3}{x+5}=15\%\)

\(\Rightarrow\dfrac{3}{x+5}=\dfrac{3}{20}\)

\(\Rightarrow x+5=20\)

\(\Rightarrow x=15\)