The equality is

Apply subtraction property of  equality: Subtract 1 from each side.

                     (Additive inverse property: )

                           (Additive identity property: )

                                 (Sustract: )

                           (Divide each side by 3)

                               (Cancel common terms )

                                (Divide: )

Graph the solution set o n a number line

Check:-

To check, substitute 2, in .

                             (Multiply: )

                                          (Add: )

The equality solution is .