Question

-1/5+3/10.x=3/5

 

Answer 1

-1/5+3/10.x=3/5

       3/10.x=3/5+1/5

        3/10.x=4/5

               x=4/5:3/10

               x=8/5

\(\Rightarrow\)x=8/5

tích cho minh nhé

     

Answer 2

-1/5+3/10.x=3/5

\(\Rightarrow\frac{3}{10}x=\frac{3}{5}-\left(-\frac{1}{5}\right)\)

\(\Rightarrow\frac{3}{10}x=\frac{4}{5}\)

\(\Rightarrow x=\frac{4}{5}:\frac{3}{10}\)

\(\Rightarrow x=2\frac{2}{3}\)