The equation is  .

Apply subtraction property of equality: Subtract 6 from each side.

                  (Apply additive inverse property: 6 6= 0)

                        (Apply additive identity property: )

                           (Subtract:    )

Check:

To check the solution, substitute  in original equation.

                          (Add: )

The statement is true.

Graph the solution on number line.

\
• First draw a number line.
\
• Mark a dot at on  the number line.
\

The value of .