Question

Answer 1

=>x+1/3=11/15

x=11/15-1/3

x=2/5

Answer 2

\(x+\dfrac{1}{3}=\dfrac{2}{5}+\dfrac{1}{3}=>x=\dfrac{2}{5}\)

Answer 3

Ta có: \(x+\dfrac{1}{3}=\dfrac{2}{5}-\left(-\dfrac{1}{3}\right)\)

\(\Leftrightarrow x+\dfrac{1}{3}=\dfrac{2}{5}+\dfrac{1}{3}\)

hay \(x=\dfrac{2}{5}\)

Answer 4

2/5