Question

\(3\dfrac{1}{5}\) - 2 . x = \(1\dfrac{1}{10}\)

Answer 1

3\(\dfrac{1}{5}-2x=1\dfrac{1}{10}\)

=> \(\dfrac{16}{5}-2x=\dfrac{11}{10}\)

=> 2x = \(\dfrac{21}{10}\)

=> x = \(\dfrac{21}{20}\)

@Bùi Thị Phương Anh

Answer 2

\(3\dfrac{1}{5}-2x=1\dfrac{1}{10}\)

\(\Leftrightarrow\dfrac{16}{5}-2x=\dfrac{11}{10}\)

\(\Leftrightarrow2x=\dfrac{21}{10}\)

\(\Leftrightarrow x=\dfrac{21}{20}\)

Vậy ....