The equation is .

According to addition property of equality: If a = b then a + c = b + c.

         (Add 16 to each side)

                   (Apply additive inverse property: )

                                 (Add: )

                                       (Apply additive identity property: )

Check:

To check the solution substitute the value of  in above equation.

                            (Subtract: )

The equality is trure.

The value of x = 1.