Hello there! :)
Answer:

<u><em>*THE ANSWER SHOULD HAVE A POSITIVE SIGN ONLY!*******</em></u>
Step-by-step explanation:
First, you switch sides of an equation.

Then, you subtract by 3611 from both sides of an equation.

Subtract by the numbers from left/right.

, <em>is the FINAL CORRECT ANSWER!</em>
<em>Hope this helps!</em>
<em>Thanks!</em>
<em>Have a nice day! :)</em>
<em>-Charlie</em>