Question

75x-18=42

 

Answer 1

\(75x-18=42\)

\(\Leftrightarrow75x=42+18\)

\(\Leftrightarrow75x=60\)

\(\Leftrightarrow x=60:75\)

\(\Leftrightarrow x=\dfrac{60}{75}=\dfrac{4}{5}\)

Vậy \(x=\dfrac{4}{5}\)

Answer 2

`75x-18=42`

`75x=42+18`

`75x=60`

`x=60:75`

`x=60:75`

`x=4/5`