Hi there! :)
<em><u>Answer:</u></em>
<em><u>x=-6</u></em>
<em><u>*The answer must have a negative sign.*</u></em>
Step-by-step explanation:
First, you divide by -2 from both sides of an equation.

Then, you divide by the numbers from left too right.

It change positive to negative sign.
<u><em>Final answer is x=-6</em></u>
I hope this helps you!
Have a nice day! :)
-Charlie
:D