Question

x/12 - 5/16 = 1/12

Answer 1

\(\dfrac{x}{12}-\dfrac{5}{16}=\dfrac{1}{12}\)

\(\Leftrightarrow\dfrac{x}{12}=\dfrac{1}{12}+\dfrac{5}{16}\)

\(\Leftrightarrow\dfrac{x}{12}=\dfrac{4}{48}+\dfrac{15}{48}\)

\(\Leftrightarrow\dfrac{x}{12}=\dfrac{19}{48}\)

\(\Leftrightarrow x=\dfrac{19}{48}.12\)

\(\Leftrightarrow x=\dfrac{19}{4}\)\

Vậy ....

Answer 2

\(\dfrac{x}{12}-\dfrac{5}{16}=\dfrac{1}{12}\)

\(\Rightarrow\dfrac{x}{12}=\dfrac{1}{12}+\dfrac{5}{16}\)

\(\Rightarrow\dfrac{x}{12}=\dfrac{19}{48}\)

\(\Rightarrow48x=12.19\)

\(\Rightarrow48x=228\)

\(\Rightarrow x=4,75\)

Vậy x=4,75