$\"\"$

\

The equation is $\"\"$ .

\

$\"\"$ (Divide each side by negative 2)

\

$\"\"$

\

$\"\"$

\

Case 1 Case 2

\

$\"\"$ $\"\"$

\

$\"\"$ (Add 1 to each side)

\

$\"\"$

\

$\"\"$ (Divide each side by 5)

\

$\"\"$

\

$\"\"$ (Add 1 to each side)

\

$\"\"$

\

$\"\"$ (Divide each side by 5)

\

$\"\"$

\

The solutions are $\"\"$ . $\"\"$

\

Check:

\

To check, substitute $\"\"$ in the original equation $\"\"$ .

\

$\"\"$ (Substitute $\"\"$ )

\

$\"\"$

\

$\"\"$

\

$\"\"$ The equation is never true. \ \

\

To check, substitute $\"\"$ in the original equation $\"\"$ .

\

$\"\"$ (Substitute $\"\"$ )

\

$\"\"$

\

$\"\"$

\

$\"\"$ The equation is never true. $\"\"$

\

The solution set is $\"\"$ .