$\"\"$

The equation is $\"\"$ .

Apply subtraction property of equality: $\"\"$ then $\"\"$ .

Subtract 4 from each side.

$\"\"$

Apply multiplication property of equality: $\"\"$ then $\"\"$ .

Multiply each side by negative 1.

$\"\"$

The product of two same signs is positive and the product of two different signs is negative.

$\"\"$ . $\"\"$

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

$\"\"$

$\"\"$ .

This is true, therefore solution of the equation $\"\"$ is $\"\"$ . $\"\"$

The solution is $\"\"$ .