Question

giúp tớ gấp với ạ

Answer 1

\(\dfrac{x}{-5}=\dfrac{1}{30}-\dfrac{10}{25}\)

\(\Leftrightarrow\dfrac{x}{-5}=\dfrac{1}{30}-\dfrac{2}{5}\)

\(\Leftrightarrow\dfrac{x}{-5}=\dfrac{1}{30}-\dfrac{12}{30}\)

\(\Leftrightarrow\dfrac{x}{-5}=-\dfrac{11}{30}\)

\(\Leftrightarrow30x=55\)

\(\Leftrightarrow x=\dfrac{55}{30}=\dfrac{11}{6}\)