$\"\"$

\

The inequality is $\"\"$

\

(Multiply each side with 6)

\

$\"\"$

\

$\"\"$

\

$\"\"$

\

$\"\"$

\

(Divide each side by 6)

\

$\"\"$

\

$\"\"$

\

$\"\"$

\

Check: To check the solution Substitute $\"\"$ in the equation.

\

$\"\"$

\

$\"\"$

\

$\"\"$

\

$\"\"$

\

$\"\"$

\

$\"\"$

\

Hence proved