\"\"\"\"

\

The expression is  \"\".

\

According to multiplication property of equality: Multiply each side by 14.

\

\"\"

\

\"\"                     (Cancel common terms)

\

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

\

Check:

\

Check the solution by substituting \"\" in the original equation.

\

\"\"

\

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

\

The value of \"\".