Question

Tìm x :

Answer 1

=>x(3+1/3)=10

=>10/3*x=10

=>x=10:10/3=3

Answer 2

x = 3

Answer 3

\(x\times3+\dfrac{x}{3}=10\\ \Leftrightarrow\dfrac{10}{3}x=10\\ \Leftrightarrow x=3\)