$\"\"$ $\"\"$

The equation is $\"\"$

According to Multiplication property of equality: if $\"\"$ , then $\"\"$ .

$\"\"$ (Multiply each side by negative 3)

$\"\"$ (Cancel common terms)

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

Check:

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

$\"\"$

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

Compare the values, the equation is true.

$\"\"$

The value of $\"\"$ .