The equation is .

Apply addition property of equality: Add 5 to each side.

                      (Apply additive inverse property: )

                                     (Apply additive identity property: )

                                  (Add:  )

Check:

To check the solution, substitute    in original equation.

                                (Subtract: )

The statement is true.

To graph the solution on the number line:

\
• Draw the number line.
\
• Mark a dot at 24 on the number line.
\

The value of .