The equation is  .

Apply subtraction property of equality: Subtract 10 from each side.

                     (Apply additive inverse property: 10 10= 0)

                           (Apply additive inverse 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 .