Question

tìm x biết x/5-1/5=3/5

Answer 1

`x/5-1/5=3/5`

`=> x/5=3/5+1/5`

`=> x/5=4/5`

`=> x=4`

Answer 2

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

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

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

\(\dfrac{x}{5}=\dfrac{4}{5}\)

=> x =4