$\"\"$

\

\

The equation is $\"\"$

\

Multiplication property of equality:

\

For any real numbers a, b and c, with, $\"\"$ if $\"\"$ then $\"\"$ $\"\"$ (Multiple each side by 3)

\

$\"\"$ (Cancel equal terms)

\

$\"\"$

\

$\"\"$

\

Division property of equality:

\

For any real numbers a, b and c, with , $\"\"$ if $\"\"$ then $\"\"$

\

$\"\"$ (Divide each side by -2)

\

$\"\"$ (Cancel common terms)

\

$\"\"$ (Simplify)

\

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

\

$\"\"$

\

Check:

\

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

\

$\"\"$

\

$\"\"$ (Cancel equal terms))

\

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

\

Compare the values, the equation is true. The solution is $\"\"$ .

\

$\"\"$

\

The solution is $\"\"$ .

\