$\"\"$

\

The equation is $\"1$ .

\

$\"fraction$ (Apply distributive property $\"a$ )

\

$\"n$ (Simplify)

\

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

\

$\"minus$ (Simplify) $\"\"$

\

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

\

$\"minus$ (Add: $\"minus$ )

\

$\"minus$ (Divide each side by 3)

\

$\"minus$ (Cancel common terms)

\

$\"n$ (Divide: $\"minus$ ) $\"\"$

\

Check:

\

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

\

$\"1$ (Substitute: $\"n$ )

\

$\"1$ (Cancel common terms)

\

$\"1$ (Subtract: $\"minus$ )

\

$\"minus$ (Multiply: $\"1$ )

\

$\"minus$ (Simplify)

\

The equality is true. $\"\"$

\

The solution is $\"n$ . \ \