\"\"

\

The expression is \"\".

\

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

\

\"\"

\

\"\"                 (Apply commutative property of addition: \"\")

\

\"\"                       (Apply additive inverse property: \"\")

\

\"\"                             (Apply additive identity property: \"\")

\

\"\"                                   (Subtract: \"\") \"\"

\

\"\"                              (Divide each side by 2)

\

\"\"                                   (Cancel common terms)

\

\"\"                                      (Divide: \"\")\"\"

\

Check:

\

To check the solution, substitute \"\" in original equation.

\

\"\"

\

\"\"                                (Multiply: \"\")

\

\"\"                                      (Add: \"\")

\

The statement is true.

\

\"\"

\

The solution is \"\".