$\"\"$

\

The equation is $\"\"$ .

\

Solve by algebraically.

\

$\"\"$ (Subtract 2 from each side)

\

$\"\"$ (Subtract: $\"\"$ )

\

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

\

$\"\"$ (Divide: $\"\"$ ) \ \ The solution is 5. $\"\"$

\

The root of the equation $\"\"$ is 5.