$\"\"$

\

The inequality is $\"\"$

\

(Add 5 to each side)

\

$\"\"$

\

$\"\"$

\

$\"\"$

\

(Subtract $\"\"$ from each side) \ \

\

$\"\"$

\

$\"\"$

\

(Divide each side by 3)

\

$\"\"$

\

$\"\"$

\

$\"\"$

\

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

\

$\"\"$

\

$\"\"$

\

$\"\"$

\

$\"\"$

\

$\"\"$

\

$\"\"$

\

$\"\"$

\

Hence proved